Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Introduction Indicators, Messages, and Codes Finding Software Solutions Running th
Back to Contents Page Abbreviations and Acronyms Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide A ampere(s) AC alternatin
DMA direct memory access DMI desktop management interface dpi dots per inch DRAM dynamic random-access memory DRAC III/XT Dell Remote Access
FCC Federal Communications Commission ft feet g gram(s) GB gigabyte(s) GUI graphical user interface Hz hertz I/O input/output ID ident
kilogram(s) kHz kilohertz L2 Level 2 LAN local area network lb pound(s) LED light-emitting diode LVD low voltage differential m meter(s
MS-DOS®Microsoft®Disk Operating System mV millivolt(s) NAS network attached storage NIC network interface controller NIS network information
RAID redundant array of independent disks RAM random-access memory RAS remote access services ROM read-only memory rpm revolutions per minut
UPS uninterruptible power supply UTP unshielded twisted pair V volt(s) VAC volt(s) alternating current VDC volt(s) direct current VGA vide
Back to Contents Page Introduction Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Other Documents You May Need Obtaining T
Back to Contents Page Indicators, Messages, and Codes Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Front-Panel Indicators
Table 2-1. Front-PanelIndicatorCodes l The power button provides the ability to soft switch the power cycling to the system. l The two system i
Back to Contents Page Jumpers, Switches, and Connectors Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Jumpers—A General Exp
Table 2-2. Back-Panel LED Codes System Messages System messages appear on the screen to notify you of a possible problem with the system. Table
Alert! DIMM(s) n are unsupported. memory module(s). Guidelines" in "Installing System Components." If the problem persist, see "T
Diskette write protected Diskette write-protect feature enabled. Move the write-protect tab on the diskette to disable the write-protect feature.
Memory double word logic failure at address, read value expecting value Memory odd/even logic failure at start address to end address Memory writ
ROM bad checksum = address Faulty or improperly installed expansion card. Remove and reseat the expansion cards. See "Troubleshooting Expans
System Beep Codes If an error that cannot be reported on the screen occurs during POST, the system may emit a series of beeps that identifies the pro
Warning Messages A warning message alerts you to a possible problem and prompts you to respond before the system continues a task. For example, befo
Back to Contents Page Finding Software Solutions Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Before You Begin Troublesh
Application Conflicts Some applications can leave unnecessary files or data behind after they are deleted from your system. Device drivers can also
Back to Contents Page Running the System Diagnostics Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Using Server Administrat
Table A-1.SystemBoardJumperSettings System Board Connectors See FigureA-3 and TableA-2 for the location and description of the system bo
From the Utility Partition 1. As the system boots, press <F10> during POST. 2. From the utility partition main menu under Run System Uti
l The right side of the screen under Devices for Highlighted Group lists the specific devices within a particular test group. l The menu area consi
Back to Contents Page Troubleshooting Your System Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Safety First—For You and Yo
Checking the Equipment This section provides troubleshooting procedures for external devices attached to the system, such as the monitor, keyboard,
If the test fails, continue to the next step. 2. Determine whether the system has monitors attached to both the front and back video connectors.
If the problem is resolved, replace the faulty mouse. See "Getting Help." 5. Enter the System Setup program and ensure that the USB ports
Problem l System message indicates a problem with a USB device. l Device connected to a USB port is not operating properly. Action 1. Enter the
RespondingtoaSystemsManagementSoftwareAlertMessage Systems management software monitors critical system voltages and temperatures, fans, and
2. Observe the precautions in "Safety First—For You and Your System." 3. Turn off the system and attached peripherals, and disconnect
Troubleshooting a Wet System Problem l Liquid spilled on the system. l Excessive humidity. Action 1. Turn off the system and attached periphe
Riser Board Connectors See FigureA-4 and TableA-3 for the location and description of the backplane board connectors. Figure A-4. Riser Board Con
Troubleshooting the System Battery Problem l System message indicates a problem with the battery. l System Setup program loses system configurati
Action Ensure that none of the following conditions exist: l Ambient temperature is too high. l External airflow is obstructed. l Cables inside
5. Open the system. See "Opening the System." 6. Ensure that the diskette drive interface cable is securely connected to the diskette dr
If the problem is not resolved, see "Getting Help." Troubleshooting a SATA Hard Drive Problem l Faulty hard drive. l Damaged or imprope
1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics." I
If the problem persists, continue to the next step. 6. Open the system. See "Opening the System." 7. Remove all expansion cards install
If the amount of memory installed does not match the system memory setting, then perform the following steps: a. Turn off the system and attached per
l Error message indicates a system board problem. Action 1. Open the system. See "Opening the System." 2. Remove the expansion cards,
Back to Contents Page Installing System Components Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide System Board Components
Cooling Shroud The cooling shroud covers the processor and system battery. The shroud also directs air flow to the expansion cards and system memory.
The existing passwords are not disabled (erased) until the system boots with the password jumper plug removed. However, before you assign a new syste
5. Grasp the battery socket release tab with your fingers and gently pull out away from the battery to remove the battery from the battery socket. Se
Installing a Fan Assembly 1. Align the holes in the fan assembly with the two fan assembly securing posts. 2. Lower the fan assembly until the
Installing the Power Supply 1. Lower the power supply into the chassis and slide it backward until the four pins on the power supply are engaged
6. Connect any internal or external cable(s) to the expansion card. 7. Close the system. See "Closing the System" in "Troubleshooti
Installing the Riser Board 1. Slide the riser board onto the system board. See Figure6-7. 2. Tighten the two captive screws that secure t
l A bank must contain identical memory modules. l Install the memory modules in bank 1 (DIMM1_x)beforeinstallingmemorymodulesinbank2(DIMM2
Removing Memory Modules 1. Open the system. See "Opening the System" in Troubleshooting Your System." 2. Locate the memory modu
6. Remove the heat sink. a. Gently rotate the heat sink side-to-side before lifting the heat sink from the processor. b. If the processor i
If the release lever on the processor socket is not positioned all the way up, move it to that position. With the pin-1 corners of the processor
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Back to Contents Page I/O Connectors Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide I/O Connectors Serial Connector PS/2
Back to Contents Page Installing Drives Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide CD and Diskette Drives (Optional) S
Installing the Optional CD Drive 1. Align the CD drive's mounting holes with the retaining pins on the hard drive 0 bracket. See Figure7-1.
When you disconnect an interface cable, take care to grasp the cable connector, rather than the cable itself, to avoid stress on the cable. SCSI ID N
The interface cables for SATA hard drives are connected to the system board. See FigureA-3 for the location of the system board connectors. The inte
Install the CD drive if you are removing hard drive 0. See "Installing the Optional CD Drive." Install the optional diskette drive if you
Back to Contents Page Getting Help Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Technical Assistance Dell Enterprise Tra
www.dell.com/la (Latin American countries) www.dell.ca (Canada only) l Anonymous file transfer protocol (FTP) ftp.dell.com/ Log in as user:anony
Dell'stechnicalsupportserviceisavailable24hoursaday,7daysaweek,toansweryourquestionsaboutDellhardware.Ourtechnicalsupport
the computer. You may be asked to type some commands at the keyboard, relay detailed information during operations, or try other troubleshooting steps
Australia (Sydney) International Access Code: 0011 Country Code: 61 City Code: 2 E-mail (Australia): [email protected] E-mail (New Z
Serial Connector Autoconfiguration The default designation of the integrated serial connector is COM1. When you add an expansion card containing a s
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Back to Contents Page Dell™PowerEdge™750SystemsInstallationandTroubleshootingGuide Notes, Notices, and Cautions Abbreviations and Acronyms
Video Connector You can attach a VGA-compatible monitor to the system's integrated video controller using a 15-pin high-density D-subminiature
Table B-5. USB Connector Pin Assignments Integrated Network Adapter Connector The system's integrated network adapters function as separate ne
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