Dell OptiPlex GX280 Manual de usuario

Dell™ OptiPlex™ GX280 Systems User's Guide Small Form-Factor Computer Small Desktop Computer Desktop Computer Small Mini-Tower Computer Mini-Tow

Dell™ OptiPlex™ GX280 Systems User's Guide Mini-Tower Computer Documentation for YourComputerFinding InformationSpecificationsCleaning Your Compu

11. Close the computer cover. 12. Attach the computer stand, if used. NOTICE: To connect a network cable, first plug the cable into the network wall

1 release button2 power supply3 screws (4)4 AC power connector5. Slide the power supply toward the front of the computer approximately 1 inch. 6. Li

DC Power Connector P1Pin Number Signal name 18-AWG Wire1 +3.3 VDC Orange2 +3.3 VDC Orange3 COM Black4 +5 VDC Red5 COM Black6 +5 VDC Red7 COM Black8 PO

4 +12 VDC YellowDC Power Connectors P3Pin Number Signal Name 18-AWG Wire1 +3.3 VDC Orange2 COM Black3 +5 VDC Red4 COM Black5 +12 VDC YellowDC Power Co

DC Power Connector P1Pin Number Signal name 18-AWG Wire1 +3.3 VDC Orange2 +3.3 VDC Orange3 COM Black4 +5 VDC Red5 COM Black6 +5 VDC Red7 COM Black8 PO

18 N/C N/C19 +5 VDC Red20 +5 VDC Red* Use 22-AWG wire instead of 18-AWG wire.DC Power Connector P2Pin Number Signal Name 18-AWG Wire1 +3.3 VDC Orange2

4 +12 VDC YellowDesktop Power Supply DC Connector Pin AssignmentsDC Power Connector P1Pin Number Signal name 18-AWG Wire1 +3.3 VDC Orange2 +3.3 VDC Or

15 Black16 Black17 Black18 N/C19 Red20 Red*Sense connector.DC Power Connector P2Pin Number Signal Name 18-AWG Wire1 +3.3 VDC Orange2 COM B

DC Power Connector P7.Pin Number Signal Name 18-AWG Wire1 N/C2 COM Black3 COM Black4 +3.3 VDC Orange5 +5 VDC Red6 +12 VDC YellowSmall Mini Tower Pow

2 +3.3 VDC Orange3 COM Black4 Red5 Black6 Red7 Black8 Gray9 Purple10 Yellow11 Orange12 Blue13 Black14 Green15 Black16 Black1

Abbreviations and AcronymsFor a complete list of abbreviations and acronyms, see the "Glossary."If you purchased a Dell™ n Series computer,

Pin Number Signal Name 22-AWG Wire1 +5 VDC Red2 COM Black3 COM Black4 +12 VDC YellowDC Power Connector P6Pin Number Signal Name 18-AWG Wire1 COM Black

DC Power Connector P1Pin Number Signal name 18-AWG Wire1 +3.3 VDC Orange2 +3.3 VDC Orange3 COM Black4 +5 VDC Red5 COM Black6 +5 VDC Red7 COM Black8 PO

13 COM Black14 PS ON Green15 COM Black16 COM Black17 COM Black18 N/C N/C19 +5 VCD Red20 +5 VCD Red*Sense connector.DC Power Connector P2Pin Number Sig

DC Power Connector P5Pin Number Signal Name 18-AWG Wire1 +3.3 VDC Orange2 COM Black3 +5 VDC Red4 COM Black5 +12 VDC YellowDC Power Connectors P6, P8,

Back to Contents Page ProcessorDell™ OptiPlex™ GX280 Systems User's Guide Replacing the ProcessorCAUTION: Before you begin any of the procedures

2 tab3 retention baseb. Remove the heat sink by pressing the tab while lifting one end of the heat sink. NOTICE: Lay the heat sink down with the ther

1 processor cover2 processor3 socket4 release leverNOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any o

1 processor cover 6 release lever2 tab 7 front alignment notch3 processor 8 socket and processor pin-1 indicator4 socket 9 rear alignment notch5 cente

NOTE: Your computer's heat sink may differ in appearance than illustrated below, but is removed and reinstalledin the same manner.1 heat-sink/blo

2 tab3 slot4 retention base17. Reconnect the cooling fan power cable to the FAN connector on the system board. 18. Reconnect the power cable to the

Back to Contents Page Finding InformationDell™ OptiPlex™ GX280 Systems User's GuideWhat Are You Looking For? Find it HereA diagnostic programfor

Back to Contents Page System BoardDell™ OptiPlex™ GX280 Systems User's Guide Small Form-Factor System Board Small Desktop System Board Desktop

4 internal speaker (SPEAKER) 17 diagnostic lights (DIAG LED)5 CD/DVD drive connector (IDE) 18serial port connector (SER1) and videoconnector (VGA)6 fr

2 power connector (POWER) 15line-in, line-out, and microphone connectors(AUDIO)3 floppy drive connector (DSKT) 16network connector (NIC) and USB conne

1 fan connector (FAN) 11intrusion switch connector(INTRUDER)2 processor connector (CPU) 12 password jumper (PSWD)3 power connector (12VPOWER) 13 PCI E

1 power connector (POWER) 15line-in, line-out, and microphone connectors(AUDIO)2 RTC reset jumper (RTCRST) 16network connector (NIC) and USB connector

14 front-panel audio cable connector (FRONTAUDIO) Tower System Board1 fan connector (FAN) 12 password jumper (PSWD)2 processor connector (CPU) 13 P

Jumper SettingsThe jumper locations on the small form-factor, small desktop, desktop, small mini-tower, and mini-tower computers areshown below.Small

Mini-Tower ComputerJumper Setting DescriptionPSWD(default)Password features are enabled.Password features are disabled.RTCRSTReal-time clock reset.

4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button toground the system board. 5. Re

1 system board/metal tray assembly removal2 tab3 system board/mounting plate assembly removal4 retention screwRemoving the System Board: Desktop and M

system settingsHow to troubleshootand solve problems1. Click the Start button and click Help and Support.2. Click User's and system guides and c

1 desktop system board2 screws (10)1 mini-tower system board2 screws (10)11. Place the system board assembly that you just removed next to the replac

Replacing the System Board: Small Form-Factor, Small Desktop, andSmall Mini-Tower Computers1. If your original system board uses a mounting plate rat

b. Detach the replacement system board from its mounting plate by removing the four mounting screws from theheat-sink retention base. Set the mountin

3. Transfer components from the existing system board to the replacement system board: a. Remove the memory modules from the existing system board a

2. Replace the screws on the system board. 3. Replace any components and cables that you removed from the system board. 4. Reconnect all cables to t

Back to Contents Page Closing the Computer CoverDell™ OptiPlex™ GX280 Systems User's GuideCAUTION: Before you begin any of the procedures in this

Back to Contents Page Troubleshooting Tools and UtilitiesDell™ OptiPlex™ GX280 Systems User's Guide Dell Diagnostics System Lights Diagnostic

1. Insert the Drivers and Utilities CD (optional). 2. Shut down and restart the computer. When the DELL logo appears, press <F12> immediately.

Errors Displays error conditions encountered, error codes, and the problem description.Help Describes the test and may indicate requirements for runni

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located inthe Product Information Guide.To help you tr

NOTE: The operating system media is optional and may not ship with all computersBack to Contents Page

occurred.A possible USB failurehas occurred.Reinstall all USB devices, check cable connections, and then restart thecomputer.No memory modulesare dete

1-2-1 Programmable interval timer failure1-2-2 DMA initialization failure1-2-3 DMA page register read/write failure1-3 Video Memory Test failure1-3-1

1. Click the Start button, click Control Panel, and then click Add or Remove Programs.2. Select the program you want to remove.3. Click the Change

Keyboard failure — See "Keyboard Problems."Memory address line failure at address, read value expecting value — See "Lockups and Sof

Read fault — Requested sector not found — Reset failed — See "Drive Problems."Sector not found — Run the Windows error-checking utilit

1. Click the Start button and click Control Panel. 2. Click Performance and Maintenance and click System. 3. Click the Hardware tab and click Devic

Back to Contents Page Solving ProblemsDell™ OptiPlex™ GX280 Systems User's Guide Battery Problems Drive Problems Keyboard Problems Lockups an

CD and DVD drive problemsNOTE: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives.Adjust the

Keyboard ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions located inthe Product Information Gui

End the program — Windows XP, Windows 20001. Press <Ctrl><Shift><Esc> simultaneously.2. Click Applications.3. Click the program

Back to Contents Page SpecificationsDell™ OptiPlex™ GX280 Systems User's GuideMicroprocessorMicroprocessor typeIntel® Pentium® 4; design provides

Memory ProblemsNOTE: Your computer might emit a series of beeps (beep code) during start-up if the monitor cannot display errors orproblems. This seri

1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.2. Click Mouse.3. Try adjusting the settings.Windows 2000

If the power light is off — The computer is either turned off or is not receiving power.Reseat the power cable into both the power connector on the

1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.2. Click View installed printers or fax printers.If the p

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located inthe Product Information Guide.No sound from

No sound from headphonesCheck the headphone cable connection — Ensure that the headphone cable is securely inserted into theheadphone connector.Disa

Test the monitor — Connect a properly working monitor to the computer, and try using the monitor. If thenew monitor works, the original monitor is f

Back to Contents Page Reinstalling Drivers and the Operating SystemDell™ OptiPlex™ GX280 Systems User's Guide Drivers Using Microsoft Windows X

4. In the System Properties window, click the Hardware tab. 5. Click Device Manager. 6. Scroll down the list to see if any device has an exclamatio

4. Click My Drivers in the Topic drop-down menu. The Drivers and Utilities CD scans your computer's hardware and operating system and then displa

between a 1 Gb (or 1000-Mbps)network and the computer.Off — The computer is notdetecting a physical connection tothe network.VideoType integrated Inte

To change the restore point, you can either repeat the steps using a different restore point, or you can undo the restoration.Undoing the Last System

Drivers and Utilities CD to load any required drivers, including the drivers required if your computer has a RAIDcontroller.Reinstalling Windows XPTo

8. At the Computer Name and Administrator Password window, enter a name for your computer (or accept the oneprovided) and a password, and click Next.

Back to Contents Page Getting HelpDell™ OptiPlex™ GX280 Systems User's Guide Technical Assistance Problems With Your Order Product Information

www.dell.com/jp (Japan only)www.euro.dell.com (Europe only)www.dell.com/la/ (Latin American countries)www.dell.ca (Canada only)Anonymous file transfer

Problems With Your OrderIf you have a problem with your order, such as missing parts, wrong parts, or incorrect billing, contact Dell for customerassi

Address:Phone number:Service Tag (bar code on the back of the computer):Express Service Code:Return Material Authorization Number (if provided by Dell

Australia (Sydney)International AccessCode: 0011Country Code: 61City Code: 2E-mail (New Zealand): [email protected] Home and Small Business

Canada (North York,Ontario)International AccessCode: 011TechFax toll-free: 1-800-950-1329Customer Care (Home Sales/Small Business) toll-free: 1-800-84

Country Code: 420City Code: 2TechFax 02 2186 27 28Switchboard 02 2186 27 11Denmark(Copenhagen)International AccessCode: 00Country Code: 45Website: s

connector size 120 pinsconnector data width (maximum) 32 bitsPCI Expressconnector one x16connector size 164 pinsconnector data width (maximum) 16 PCI

Customer Care 0825 338 339Switchboard 01 55 94 71 00Sales 01 55 94 71 00Fax 01 55 94 71 01Germany (Langen)International AccessCode: 00Country Code: 49

Ireland (Cherrywood)International AccessCode: 16Country Code: 353City Code: 1U.K. Technical Support (dial within U.K. only) 0870 908 0800Home User Cus

institutions, and medical institutions)044-556-1469Global Segment Japan 044-556-3469Individual User 044-556-1760Switchboard 044-556-4300Korea (Seoul)I

or 01-800-888-3355Montserrat General Support toll-free: 1-866-278-6822Netherlands Antilles General Support 001-800-882-1519Netherlands(Amsterdam)Inter

Panama General Support 001-800-507-0962Peru General Support 0800-50-669Poland (Warsaw)International AccessCode: 011Country Code: 48City Code: 22Websit

Country Code: 34City Code: 91Switchboard 902 118 541Fax 902 118 539Corporate Technical Support 902 100 130Customer Care 902 118 546Switchboard 91 7

U.K. (Bracknell)International AccessCode: 00Country Code: 44City Code: 1344Customer Care website: support.euro.dell.com/uk/en/ECare/Form/Home.asp E-ma

Fax toll-free: 1-800-727-8320Dell Services for the Deaf, Hard-of-Hearing, or Speech-Impairedtoll-free: 1-877-DELLTTY(1-877-335-5889)U.S. Virgin Island

Back to Contents Page Microsoft® Windows® XP FeaturesDell™ OptiPlex™ GX280 Systems User's Guide Transferring Information to a New Computer User

To transfer data to the new computer:1. On the Now go to your old computer screen on the new computer, click Next. 2. On the Where are the files and

connector size 120 pinsconnector data width(maximum)32 bitsPCI Express connectors one x1 and one x16connector size 36 pins (x1) and 120 pins (x16)con

Setting Up a Home and Office NetworkConnecting to a Network AdapterBefore you connect your computer to a network, the computer must have a network ada

Back to Contents Page GlossaryDell™ OptiPlex™ GX280 Systems User's GuideTerms in this Glossary are provided for informational purposes only and m

devices to automatically recognize each other.boot sequence — Specifies the order of the devices from which the computer attempts to boot.bootable CD

clock speed — The speed, given in MHz, that indicates how fast computer components that are connected to the system busoperate.COA — Certificate of Au

dual display mode — A display setting that allows you to use a second monitor as an extension of your display. Alsoreferred to as extended display mod

FFahrenheit — A temperature measurement system where 32° is the freezing point and 212° is the boiling point of water.FCC — Federal Communications Com

HTML — hypertext markup language — A set of codes inserted into an Internet web page intended for display on an Internetbrowser.HTTP — hypertext trans

kHz — kilohertz — A measurement of frequency that equals 1000 Hz.LLAN — local area network — A computer network covering a small area. A LAN usually i

mouse — A pointing device that controls the movement of the cursor on your screen. Typically you roll the mouse over ahard, flat surface to move the p

pixel — A single point on a display screen. Pixels are arranged in rows and columns to create an image. A video resolution,such as 800 x 600, is expre

Primary IDE drive 40-pin connectorSerial ATA small form-factor computer: one 7-pinconnectorsmall desktop computer: one 7-pinconnectorsdesktop computer

RPM — revolutions per minute — The number of rotations that occur per minute. Hard drive speed is often measured in rpm.RTC — real time clock — Batter

S-video TV-out — A connector used to attach a TV or digital audio device to the computer.SXGA — super-extended graphics array — A video standard for v

video controller — The circuitry on a video card or on the system board (in computers with an integrated video controller)that provides the video capa

Zip drive — A high-capacity floppy drive developed by Iomega Corporation that uses 3.5-inch removable disks called Zipdisks. Zip disks are slightly la

Back to Contents Page WarrantyDell™ OptiPlex™ GX280 Systems User's GuideDell Inc. ("Dell") manufactures its hardware products from part

Back to Contents Page FCC Notices (U.S. Only)Dell™ OptiPlex™ GX280 Systems User's GuideElectromagnetic Interference (EMI) is any signal or emissi

Once you have determined your system's FCC classification, read the appropriate FCC notice. Note that FCC regulationsprovide that changes or modi

Back to Contents Page About Your Small Desktop ComputerDell™ OptiPlex™ GX280 Systems User's Guide Front View Back View Inside Your Computer S

activitylightdisk from the drive.7 hard-driveactivitylightThe hard drive light is on when the computer reads data from or writes data tothe hard drive

available on allcomputers)and can automatically detect the correct operating voltage.To help avoid damaging a computer with a manual voltage selection

Dell™ OptiPlex™ GX280 Systems User's Guide Small Form-FactorComputer Documentation for YourComputerFinding InformationSpecificationsCleaning Your

small mini-tower computers: four lightson the back paneldesktop and mini-towercomputers: fourlights on the front panelStandby power light AUX_PWR on t

6 line-outconnectorUse the green line-out connector (available on computers with integratedsound) to attach headphones and most speakers with integrat

1 hard drive 6 padlock ring2 chassis intrusion switch 7 heat sink and blower assembly3 internal speaker 8 system board4 power supply 9 floppy drive5 c

1 RTC reset jumper (RTCRST) 14 front-panel audio cable connector(FRONTAUDIO)2 power connector (POWER) 15 line-in, line-out, and microphone connectors(

Attaching and Removing the Computer StandCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct

Back to Contents Page

Back to Contents Page Opening the Computer CoverDell™ OptiPlex™ GX280 Systems User's GuideCAUTION: Before you begin any of the procedures in this

Back to Contents Page DrivesDell™ OptiPlex™ GX280 Systems User's Guide General Installation Guidelines Hard Drive Front-Panel Inserts Floppy

Connecting Drive CablesWhen you install a drive, you connect two cables—a DC power cable and a data cable—to the back of the drive and to thesystem bo

When removing an IDE drive data cable, grasp the colored pull tab and pull until the connector detaches.When connecting and disconnecting a serial ATA

1 hard-drive cable2 power cable2. Press in on the tabs on each side of the drive and slide the drive up and out. 1 tabs (2)2 hard driveInstalling a H

Height 42.5 cm (16.7 inches)Width 18.1 cm (7.1 inches)Depth 44.7 cm (17.6 inches)Weight 12.7 kg (28 lbs)Mini-Tower computer Height 41.4 cm (16.3 inch

removing the two screws that secure each rail to the drive. Attach the bracket rails to the new drive by aligning thescrew holes on the drive with the

See the documentation that came with the drive for instructions on installing any software required for drive operation.10. After you open and close

Floppy DriveCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.CAUTION: T

1 power cable2 floppy-drive cable3 floppy-drive connector (DSKT)4. Press inward on the two tabs on the sides of the drive, slide the drive upward, an

1 drive2 bracket rails (2)3 screws (4)2. Gently slide the drive into place until you hear a click or feel the drive securely installed. 3. Attach th

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.9. Connect your computer and d

1 power cable2 CD/DVD drive cable3 IDE connector3. Press inward on the two tabs on the sides of the drive, and then slide the drive upward and remove

installing an IDE drive, configure the drive for the cable select setting.2. If the replacement drive does not have the bracket rails attached, remov

6. If you are installing a drive that has its own controller card, install the controller card in a card slot. 7. Check all cable connections, and fo

2 CD/DVD drive data cable 6 12V power cable3 control panel cable 7 front input/audio data cable4 serial ATA drive power cable Back to Contents Page

Back to Contents Page Cleaning Your ComputerDell™ OptiPlex™ GX280 Systems User's GuideCAUTION: Before you begin any of the procedures in this sec

Back to Contents Page PCI and PCI Express Cards and Serial Port AdaptersDell™ OptiPlex™ GX280 Systems User's Guide PCI Cards PCI Express Cards

1 card cage2 handle3. If you are installing a new card, remove the filler bracket to create an empty card-slot opening If you are replacing a card th

1 lever 5 card-edge connector2 retention arm 6 card connector3 filler bracket 7 riser board4 card 8 card cage7. Lower the retention arm and press it

2 tabs (2)3 slots (2)9. Reconnect any cables that you removed in step 2. 10. Connect any cables that should be attached to the card. See the documen

If you need a filler bracket, contact Dell.NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification o

If you are installing or replacing a PCI Express x16 card, see "Installing a PCI Express x16 Card," or if you are removing thecard, see &quo

1 lever2 securing slot (not all cards)3 securing tab4 PCI Express x16 card5 PCI Express x16 card connector3. Prepare the card for installation. See t

1 bracket within slot2 bracket caught outside of slot3 fully seated card4 not fully seated card6. Release the card lever, ensuring that the tab fits

b. Connect the network cable to the add-in network adapter's connectors. Do not connect the network cable to theintegrated connector on the back

the card cage once they are removed from the computer. b. Gently pull on the handle and lift the card cage up and away from the computer. 1 card cage

CDs and DVDsNOTICE: Always use compressed air to clean the lens in the CD/DVD drive, and follow the instructions that come withthe compressed air. Nev

1 lever 5 card-edge connector2 retention arm 6 card connector3 filler bracket 7 riser board4 PCI Express x1 card 8 card cage7. Lower the retention ar

2 tabs (2)3 slots (2)9. Reconnect any cables that you removed in step 2. 10. Connect any cables that should be attached to the card. See the documen

NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of thecomputer. The brackets also keep dust

1 retention arm2 filler bracket3 serial port adapter bracket4. Remove the filler bracket. 5. Slide the serial port adapter bracket down over the car

1 serial card system board connector (SER_PS2)2 serial adapter cable3 card cageNOTICE: To connect a network cable, first plug the cable into the netwo

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Back to Contents Page ProcessorDell™ OptiPlex™ GX280 Systems User's Guide Replacing the ProcessorCAUTION: Before you begin any of the procedures

b. Remove the heat sink by pressing the tab while lifting one end of the heat sink. NOTICE: Lay the heat sink down with the thermal material facing u

1 processor cover2 processor3 socket4 release leverNOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any o

1 processor cover 6 release lever2 tab 7 front alignment notch3 processor 8 socket and processor pin-1 indicator4 processor socket 9 rear alignment no

Back to Contents Page Advanced FeaturesDell™ OptiPlex™ GX280 Systems User's Guide LegacySelect Technology Control Manageability Security Pass

NOTE: Your computer's heat sink may differ in appearance than illustrated below, but is removed and reinstalled in thesame manner.1 heat-sink/blo

3 slot4 retention base17. Reconnect the cooling fan power cable to the FAN connector on the system board. 18. Reconnect the power cable to the 12VPO

Back to Contents Page About Your Desktop ComputerDell™ OptiPlex™ GX280 Systems User's Guide Front View Back View Inside Your Computer System

Blinking or solid amber — See "Power Problems."To exit from a power-saving state, press the power button or use thekeyboard or the mouse if

5 padlock ring Insert a padlock to lock the computer cover.6 cover releaselatchAllows you to open the computer cover.1 parallelconnectorConnect a para

On computers with a sound card, the microphone connector is on the card.8 USB 2.0connectors(6)Use the back USB connectors for devices that typically r

System Board Components1 fan connector (FAN) 11 intrusion switch connector(INTRUDER)2 processor connector (CPU) 12 password jumper (PSWD)3 power conne

Back to Contents Page Opening the Computer CoverDell™ OptiPlex™ GX280 Systems User's GuideCAUTION: Before you begin any of the procedures in this

IT Assistant configures, manages, and monitors computers and other devices on a corporate network. IT Assistant managesassets, configurations, events

Back to Contents Page DrivesDell™ OptiPlex™ GX280 Systems User's Guide General Installation Guidelines Hard Drive Floppy Drive CD/DVD DriveYo

Drive Interface ConnectorsIDE DriveConnectorSerial ATA Connector1 colored stripe on IDE cable2 interface cable connector3 interface connectorMost inte

Hard DriveCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.CAUTION: To

1 securing clips (2)2 hard driveInstalling a Hard Drive1. Check the documentation for the drive to verify that it is configured for your computer. NO

1 securing tabs (2) 3 release tabs (2)2 drive 4 hard drive bracket5. Connect the power and hard-drive cables to the drive. 6. Locate the correct slo

10. Connect your computer and devices to electrical outlets. See the documentation that came with the drive for instructions on installing any softwa

1 drive release latch2 floppy drive4. Disconnect the power and floppy-drive cables from the back of the floppy drive. Installing a Floppy Drive1. If

5. Gently slide the drive into place until you hear a click or feel the drive securely installed. 1 power cable2 slot verification number6. Replace t

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.CAUTION: To guard agai

a. Press the two snaps on the top of the panel insert and rotate the insert toward the front of the computer. b. Remove the shoulder screws (3) from

On-Silent (default) — If the computer cover is opened, the setting changes to Detected. No alert message appearsduring the boot sequence at the next c

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.8. Connect your computer and d

Back to Contents Page PCI and PCI Express Cards and Serial Port AdaptersDell™ OptiPlex™ GX280 Systems User's Guide PCI Cards PCI Express Cards

1 card retention lever2 card3 card-edge connector4 card connectorCAUTION: Some network adapters automatically start the computer when they are connect

Removing a PCI Card1. Follow the procedures in "Before You Begin." 2. Gently push the release tab on the card retention lever. 3. If nece

a. Enter system setup, select Network Controller, and change the setting to On. Connect the network cable to the integrated connector on the computer

1 release tab 4 card-edge connector2 card retention lever 5 card connector3 card 7. Insert the card firmly into the card connector on the riser bo

1 card cage 3 riser boards (2)2 slots 4 system board connectors (2)10. Reconnect any cables that you removed in step 3. 11. Connect any cables that

integrated connector on the back panel. 17. Install any drivers required for the card as described in the card documentation. Removing a PCI Card fro

If you are replacing either type of PCI Express card, remove the current driver for the card from the operating system.Installing a PCI Express x16 Ca

1 fully seated card2 not fully seated card3 bracket within slot4 bracket caught outside of slot6. Release the card lever, ensuring that the tab fits

to another field, or press <Esc> at any time before you complete step 5.1. Enter system setup and verify that Password Status is set to Unlocked

13. Install any drivers required for the card as described in the card documentation. Removing a PCI Express x16 Card1. Follow the procedures in &qu

Installing a Serial Port Adapter1. Follow the procedures in "Before You Begin." 2. Gently push the release tab on the retention lever. 3.

9. Reset the chassis intrusion detector by changing Chassis Intrusion to On or On-Silent. NOTE: If an admin password has been assigned by someone else

1 card cage2 handle4. If you are installing a new serial port adapter, remove the filler bracket to create an empty card-slot opening. If youare repl

After you open and close the cover, the chassis intrusion detector, if installed and enabled, causes the followingmessage to appear on the screen at t

Back to Contents Page ProcessorDell™ OptiPlex™ GX280 Systems User's Guide Removing the Processor Installing the ProcessorCAUTION: Before you be

1 processor cover2 processor3 socket4 release leverNOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any o

1 processor cover 6 release lever2 tab 7 front alignment notch3 processor 8 socket and processor pin-1 indicator4 processor socket 9 rear alignment no

1 heat sink and fan shroud assembly2 heat sink assembly bracket3 captive screw housing (2)10. Close the computer cover. NOTICE: To connect a network

Back to Contents Page About Your Small Mini-Tower ComputerDell™ OptiPlex™ GX280 Systems User's Guide Front View Back View Inside Your Computer

1. Enter system setup and verify that Password Status is set to Unlocked. 2. Restart your computer. 3. When prompted, type the system password. 4.

6 USB 2.0connectors(2)Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras, orfor bootable USB devices

1 power connector Insert the power cable.2 voltage selectionswitch (may not beavailable on allcomputers)Your computer is equipped with either an auto-

1 serialconnectorConnect a serial device, such as a handheld device, to the serial port. Thedefault designations are COM1 for serial connector 1 and C

connector have a USB printer, plug it into a USB connector.NOTE: The integrated parallel connector is automatically disabled if thecomputer detects an

1 power connector (POWER) 15 line-in, line-out, and microphone connectors(AUDIO)2 RTC reset jumper (RTCRST) 16 network connector (NIC) and USB connect

Front-Panel Door and Hinge ArmsTo prevent damage to your computer, the front-panel door is designed to "break away" if it is lifted up too f

1 pivot-bar slots (2)2 pivot bar3 hinge arms (2) in horizontal position4 view slots (2)NOTICE: Before touching anything inside your computer, ground y

2. Disconnect the computer power cable from the electrical outlet. 3. Lower the hinge arms to the vertical position. 4. Align the two clips on the i

Back to Contents Page Opening the Computer CoverDell™ OptiPlex™ GX280 Systems User's GuideCAUTION: Before you begin any of the procedures in this

Operating Your Computer With an Admin Password EnabledWhen you enter system setup, the Admin Password option is highlighted, prompting you to type the

Back to Contents Page DrivesDell™ OptiPlex™ GX280 Systems User's Guide General Installation Guidelines Hard Drive Adding a Second Hard Drive

General Installation GuidelinesConnect CD/DVD drives to the connector labeled "IDE" on the system board. Serial ATA hard drives should be co

1 power cable2 power input connectorConnecting and Disconnecting Drive CablesWhen removing an IDE drive data cable, grasp the colored pull tab and pul

Removing a Hard Drive1. Disconnect the power and hard-drive cables from the drive. 1 power cable2 hard-drive cable2. Press in on the tabs on each si

2. Check the documentation for the drive to verify that it is configured for your computer. 3. If your replacement hard drive does not have the brac

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.8. Connect your computer and d

6. Move the first hard drive from the upper bay to the lower bay: a. Disconnect the power and the hard-drive cables from the back of the first hard

11. Connect your computer and devices to their electrical outlets, and turn them on. 12. See the documentation that came with the drive for instruct

1 insert frame for CD/DVD drive bay2 insert frame for floppy drive bay6. Reattach the empty insert frame over the front of the drive bay. The insert

1 power cable2 floppy-drive cable3 floppy-drive connector (DSKT)3. Press inward on the two tabs on the sides of the drive, slide the drive upward, an

Abbreviations and AcronymsFor a complete list of abbreviations and acronyms, see the "Glossary."If you purchased a Dell™ n Series computer,

System Setup ScreensThe system setup screen displays current or changeable configuration information for your computer. Information on thescreen is di

1 drive2 bracket rails (2)3 screws (4)2. Gently slide the drive into place until you hear a click or feel the drive securely installed. 3. Attach th

computer.8. Connect your computer and devices to their electrical outlets, and turn them on. See the documentation that came with the drive for instr

1 power cable2 CD/DVD drive cable2. Press inward on the two tabs on the sides of the drive, and then slide the drive upward and remove it from the dr

2. Connect the new drive to the set of rails that are attached to the inside of the cover. If a set of rails is not attachedinside the cover, contact

6. If you are installing a new CD/DVD drive rather than replacing a drive, remove the front- panel inserts. 7. If you are installing a drive that has

1 12V power cable 6 serial ATA hard-drive power cable2 CD/DVD drive data cable 7 control panel cable3 CD/DVD drive power cable 8 serial ATA hard-drive

Back to Contents Page PCI and PCI Express Cards and Serial Port AdaptersDell™ OptiPlex™ GX280 Systems User's Guide PCI Cards PCI Express Cards

1 card 4 retention arm2 edge connector 5 lever3 card connector 6 filler bracket2. If you are installing a new card, remove the filler bracket to crea

1 bracket within slot2 bracket caught outside of slot3 fully seated card4 not fully seated card6. Before you lower the retention arm, ensure that: Th

2 alignment bar3 alignment guide4 retention armNOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the

System Setup OptionsNOTE: Depending on your computer and installed devices, the items listed in this section may or may not appear.SystemSystemInfoLis

6. Lower the retention arm and press it into place. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug

Installing a PCI Express Card1. Follow the procedures in "Before You Begin." 2. Press the lever on the card retention arm and raise the re

If the card is full-length, insert the end of the card into the card guide bracket as you lower the card toward itsconnector on the system board. Inse

1 filler bracket2 alignment bar3 alignment guide4 retention armNOTICE: Do not route card cables over or behind the cards. Cables routed over the cards

b. Connect the network cable to the add-in network adapter's connectors. Do not connect the network cable to theintegrated connector on the back

3. Remove the filler bracket. 4. Slide the serial port adapter bracket down over the card-slot opening, and lower the retention arm, ensuring that: T

If you need a filler bracket, contact Dell.NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification o

Back to Contents Page ProcessorDell™ OptiPlex™ GX280 Systems User's Guide Removing the Processor Installing the ProcessorCAUTION: Before you be

a. Press the tab on the green securing clip to remove the clip from the retention base. NOTE: Your computer's configuration determines the type

1 heat sink2 tab3 retention baseNOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not instal

DriveControllerConfigures the serialATA controller'soperating mode.Normal enables theserial ATA controllerto operate in itsserial ATA nativemode

2 processor3 socket4 release leverNOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on

2 tab 7 front alignment notch3 processor 8 socket and processor pin-1 indicator4 processor socket 9 rear alignment notch5 center cover latch NOTICE

1 heat-sink2 tab3 retention basec. Insert the securing clip by placing the notched end of the clip opposite the tab into the slot on the retentionbas

ALERT! Cover was previously removed.14. Reset the chassis intrusion detector by changing Chassis Intrusion to On or On-Silent. NOTE: If an admin pass

Back to Contents Page About Your Mini-Tower ComputerDell™ OptiPlex™ GX280 Systems User's Guide Front View Back View Inside Your Computer Syst

indicatorlight5 diagnosticlightsUse the lights to help you troubleshoot a computer problem based on the diagnostic code. For moreinformation, see &quo

1 cover release latch This latch allows you to open the computer cover.2 padlock ring Insert a padlock to lock the computer cover.3 voltage selections

1 parallelconnectorConnect a parallel device, such as a printer, to the parallel connector. If youhave a USB printer, plug it into a USB connector.NOT

9 videoconnectorPlug the cable from your VGA-compatible monitor into the blue connector.NOTE: If you purchased an optional graphics card, this connect

1 fan connector (FAN) 12 password jumper (PSWD)2 processor connector (CPU) 13 PCI Express x16 connector (PEG)3 power connector (12VPOWER) 14 PCI Expre

LPT PortModefor IBM ATcompatibilityPS/2 - theport isconfigured forIBM PS/2compatibilityEPP -enhancedparallel portprotocolECP -extendedcapability portp

Back to Contents Page Opening the Computer CoverDell™ OptiPlex™ GX280 Systems User's GuideCAUTION: Before you begin any of the procedures in this

2 cover release latch3 padlock ringBack to Contents Page

Back to Contents Page DrivesDell™ OptiPlex™ GX280 Systems User's Guide General Installation Guidelines Hard Drive Adding a Second Hard Drive

Connect CD/DVD drives to the connector labeled "IDE" on the system board. Serial ATA hard drives should be connected tothe connectors labele

1 power cable2 power input connectorConnecting and Disconnecting Drive CablesWhen removing an IDE drive data cable, grasp the colored pull tab and pul

Removing a Hard Drive1. Follow the procedures in "Before You Begin." 2. Disconnect the power and hard-drive cables from the drive. Disconn

1 hard drive2 tabs (2)Installing a Hard Drive1. Unpack the replacement hard drive, and prepare it for installation. 2. Check the documentation for t

1 drive2 securing tabs (4)3 drive bracket3. Gently slide the drive into place until you hear a click or feel the drive securely installed. 1 hard dri

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.7. Connect your computer and d

1 drive2 securing tabs (4)3 drive bracket5. Move the first hard drive from the upper bay to the lower bay: a. Disconnect the power and the hard-driv

HDDAcousticModeQuiet - thehard driveoperates atits most quietsetting.Performance- the harddriveoperates atits maximumspeed.Bypass(default) -yourcomput

1 hard drive8. Attach the serial ATA connector removed in step 5 to the first hard drive. 9. Locate an unused serial ATA connector on the system boa

10. Close the computer cover. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

1 CD/DVD drive insert2 floppy drive insert3 shoulder screw holder5. Reattach the drive panel to the front of the computer. The drive panel only fits

Removing the Floppy Drive1. Follow the procedures in "Before You Begin." 2. Remove the drive panel by sliding the drive release latch down

1 drive2 shoulder screws (4)3. Gently slide the drive into place until you hear a click or feel the drive securely installed. 1 floppy drive2 shoulde

1 power cable2 floppy-drive cable3 floppy-drive connector (FLOPPY)5. Close the computer cover. NOTICE: To connect a network cable, first plug the cab

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet beforeopening the cover.Removing a CD/DVD Drive1.

1 drive2 shoulder screws (3)4. Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If youare

1 power cable2 CD/DVD drive cable3 CD/DVD drive connector (IDE)7. Check all cable connections, and fold cables out of the way to provide airflow for

Back to Contents Page PCI and PCI Express Cards and Serial Port AdaptersDell™ OptiPlex™ GX280 Systems User's Guide PCI Cards PCI Express Cards

the system board isin the enabledposition (thedefault).If the option is toDisabled, theadmin password isdisabled by ajumper setting onthe system board

1 card retention latch 4 card edge connector2 alignment guide 5 card connector3 card CAUTION: Some network adapters automatically start the compute

2 not fully seated card3 bracket within slot4 bracket caught outside of slot7. Before you lower the retention latch, ensure that: The tops of all car

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.7. Replace the computer cover,

c. Pivot the retention mechanism upward to release it from the two tab slots. 4. If you are installing a new card, remove the filler bracket to crea

1 fully seated card2 not fully seated card3 bracket within slot4 bracket caught outside of slot9. If applicable, before replacing the card retention

2 alignment guideNOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computercover from closing pr

6. Close the card retention latch by snapping it into place securing the card(s). 7. Replace the computer cover, reconnect the computer and devices t

1. Follow the procedures in "Before You Begin." 2. Gently push the release tab on the retention lever. 3. If necessary, disconnect any cab

Back to Contents Page ProcessorDell™ OptiPlex™ GX280 Systems User's Guide Removing the Processor Installing the ProcessorCAUTION: Before you be

4. Open the processor cover by sliding the release lever from under the center cover latch on the socket. Then, pull thelever back to release the pro

PasswordStatusfield with the adminpassword. When thefield is locked, theoption to disablepassword securityby pressing<Ctrl><Enter>when the

1 processor cover 6 release lever2 tab 7 front alignment notch3 processor 8 socket and processor pin-1 indicator4 processor socket 9 rear alignment no

1 heat sink and fan shroud assembly2 heat sink assembly bracket3 captive screw housing (2)10. Close the computer cover. NOTICE: To connect a network

Back to Contents Page BatteryDell™ OptiPlex™ GX280 Systems User's Guide Replacing the BatteryReplacing the BatteryCAUTION: Before you begin any

b. While supporting the battery connector, press the battery toward the positive side of the connector and pry it upout of the securing tabs at the n

date and time fields.Use this setting inconjunction with theAuto Power Onsetting.Low PowerModeWhen Low PowerMode is selected,remote wakeupevents no lo

memory remainsactive.MaintenanceCMOSDefaultsThis setting willrestore thecomputer's factory-installed defaultsettings. The optionsare Cancel andCo

Menu.KeyboardErrorsThis option disablesor enables keyboarderror reporting whenthe computer starts.Boot SequenceThis feature allows you to change the b

Dell™ OptiPlex™ GX280 Systems User's Guide Small Desktop Computer Documentation for YourComputerFinding InformationSpecificationsCleaning Your Co

NOTE: Write down your current boot sequence in case you want to restore it.3. Press the up- and down-arrow keys to move through the list of devices.

Small Desktop ComputerDesktop ComputerSmall Mini-Tower Computer

Mini-Tower ComputerJumper Setting DescriptionPSWD(default)Passwordfeatures areenabled.Passwordfeatures aredisabled.RTCRSTReal-timeclock reset. jump

Clearing CMOS SettingsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions located inthe Product Informatio

NOTE: All components installed in the computer must support this feature and have the appropriate drivers loaded toenter standby. For more information

Back to Contents Page About Your Small Form-Factor ComputerDell™ OptiPlex™ GX280 Systems User's Guide Front View Back View Inside Your Compute

S3)Blinking or solid amber — See "Power Problems."To exit from a power-saving state, press the power button or use the keyboardor the mouse

2 linkintegritylightGreen — A good connection exists between a 10-Mbps network and thecomputer.Orange — A good connection exists between a 100-Mbps ne

Inside Your ComputerCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.CA

1 RTC reset jumper (RTCRST) 14 line-in, line-out, and microphone connectors(AUDIO)2 floppy drive connector (DSKT) 15 network connector (NIC) and USB c

For a complete list of abbreviations and acronyms, see the "Glossary."If you purchased a Dell™ n Series computer, any references in this doc

NOTE: Place your computer on a soft surface to prevent scratching the top cover.Your computer can be used in either a vertical or horizontal position.

Back to Contents Page

Back to Contents Page Before You BeginDell™ OptiPlex™ GX280 Systems User's GuideThis chapter provides procedures for removing and installing the

NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Somecables have a connector with loc

Back to Contents Page Opening the Computer CoverDell™ OptiPlex™ GX280 Systems User's GuideCAUTION: Before you begin any of the procedures in this

Back to Contents Page BatteryDell™ OptiPlex™ GX280 Systems User's Guide Replacing the BatteryReplacing the BatteryCAUTION: Before you begin any

b. While supporting the battery connector, press the battery toward the positive side of the connector and pry it upout of the securing tabs at the n

Back to Contents Page Chassis Intrusion SwitchDell™ OptiPlex™ GX280 Systems User's Guide Removing the Chassis Intrusion Switch Replacing the Ch

Desktop ComputerSmall Mini-Tower Computer

Dell™ OptiPlex™ GX280 Systems User's Guide Desktop Computer Documentation for YourComputerFinding InformationSpecificationsCleaning Your Computer

Mini-Tower Computer

Replacing the Chassis Intrusion Switch1. Gently slide the chassis intrusion switch into its slot and reconnect the cable to the system board. 2. Clo

Back to Contents Page DrivesDell™ OptiPlex™ GX280 Systems User's Guide General Installation Guidelines Hard Drive Front-Panel Inserts Floppy

When you install a drive, you connect two cables—a DC power cable and a data cable—to the back of the drive and to thesystem board.Drive Interface Con

Hard DriveCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.CAUTION: To

1 power cable2 hard-drive cable2. Press in on the tabs on each side of the drive and slide the drive toward the I/O panel and remove it from thecompu

3 screws (4)3. Gently slide the drive into place until you hear a click or feel the drive securely installed. 4. Connect the power and hard-drive ca

15. Partition and logically format your drive before you proceed to the next step. For instructions, see the documentation that came with your operat

cable away. 1 tab2 interposer board3 lever4 floppy-drive cable5 system board floppy-drive connector (DSKT)

1 sled tab2 sled5. Remove the floppy drive from its sled by pulling the sled tab out while pushing the drive upand then sliding the driveout of the s

Abbreviations and AcronymsFor a complete list of abbreviations and acronyms, see the "Glossary."If you purchased a Dell™ n Series computer,

1 floppy-drive connector2 interposer board3 lever4 floppy-drive cable5 system board floppy-drive connector (DSKT)4. Attach the power cable to the int

CD/DVD DriveCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.CAUTION: T

Installing a CD/DVD Drive1. Unpack the drive and prepare it for installation. Check the documentation that accompanied the drive to verify that the d

1 interposer board2 notch on inside of cover3 interposer board tabIf your computer came with an IDE CD drive, use the spare connector on the existing

1 CD/DVD drive data cable 6 IDE drive power cable2 floppy drive data cable 7 front input/output data cable3 control panel cable 8 front input/output a

Back to Contents Page I/O PanelDell™ OptiPlex™ GX280 Systems User's Guide Removing the I/O Panel (Small Form-Factor, Small Desktop, and Small Mi

1 chassis-intrusion switch cable connector 4 control-panel cable connector2 internal speaker cable connector 5 securing screw3 I/O cable connector 6 f

1 control-panel cable connector 4 securing screw2 front-audio cable connector 5 chassis-intrusion switch cable connector3 I/O cable connector 6 intern

1 securing screw2 I/O panel3 I/O connector4 I/O connector pull loopRemoving the I/O Panel (Mini-Tower Computer)CAUTION: Before you begin any of the pr

3 I/O panel4 I/O connector5 I/O connector pull loopReplacing the I/O Panel1. To replace the I/O panel, follow the removal procedures in the reverse o

Dell™ OptiPlex™ GX280 Systems User's Guide Small Mini-TowerComputer Documentation for YourComputerFinding InformationSpecificationsCleaning Your

Back to Contents Page MemoryDell™ OptiPlex™ GX280 Systems User's Guide DDR2 Memory Overview Addressing Memory With 4-GB Configurations Replaci

A matched pair of memory modules in connectors DIMM1 and DIMM2 (white securing clips)B matched pair of memory modules in connectors DIMM3 and DIMM4 (b

NOTE: Memory purchased from Dell is covered under your computer warranty.NOTE: On the desktop system, it is necessary to remove the CD/DVD drive in or

1 memory connector closest to processor2 securing clips (2)3 connector3. Align the notch on the bottom of the module with the crossbar in the connect

5. Close the computer cover. 6. Attach the computer stand (optional). NOTICE: To connect a network cable, first plug the cable into the network wall

Back to Contents Page PCI and PCI Express Cards and Serial Port AdaptersDell™ OptiPlex™ GX280 Systems User's Guide PCI Cards PCI Express Cards

1 card 4 card connector2 edge connector 5 filler bracket3 retention arm 3. If you are installing a new card, remove the filler bracket to create a

1 alignment guide2 filler bracket3 alignment bar4 retention armNOTICE: Do not route card cables over or behind the cards. Cables routed over the cards

b. Connect the network cable to the add-in network adapter's connectors. Do not connect the network cable to theintegrated connector on the back

1 PCI Express x16 card2 PCI Express x16 card slotIf you are installing or replacing a PCI Express card, follow the procedures in the next section. If

Abbreviations and AcronymsFor a complete list of abbreviations and acronyms, see the "Glossary."If you purchased a Dell™ n Series computer,

4 card opening 9 securing tab5 filler bracket 3. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then c

9. Press the retention arm into place, securing the card(s) in the computer. 1 alignment guide2 filler bracket3 alignment bar4 retention armNOTICE: Do

a. Enter system setup, select Network Controller, and change the setting to Off. b. Connect the network cable to the add-in network adapter's c

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.NOTICE: To prevent sta

7. Replace the microprocessor heat sink as explained in "Processor." 8. Press the arm into place, securing the card(s) in the computer. 9.

Back to Contents Page Power SupplyDell™ OptiPlex™ GX280 Systems User's Guide Replacing the Power Supply DC Power ConnectorsReplacing the Power

1 release button2 AC power connector4. Slide the power supply toward the front of the computer approximately 1 inch. 5. Lift the power supply up and

1 release button2 handle3 AC power connector5. Slide the power supply toward the front of the computer approximately 1 inch. 6. Lift the power suppl

2. Disconnect the DC power cables from the system board and the drives. Note the routing of the DC power cables underneath the tabs in the computer fr

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.14. Connect your computer and