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TroubleshootingYourSystem
Dell™PowerEdge™2850SystemsInstallationandTroubleshootingGuide
Safety First—For You and Your System
To perform certain procedures in this document, you must remove the system cover and work inside the system. While working inside the system, do not
attempt to service the system except as explained in this guide and elsewhere in your system documentation.
Start-Up Routine
Look and listen during the system's start-up routine for the indications described in Table5-1.
Table 5-1. Start-UpRoutineIndications
Checking the Equipment
This section provides troubleshooting procedures for external devices attached to the system, such as the monitor, keyboard, or mouse. Before you perform
any of the procedures, see "Troubleshooting External Connections."
Troubleshooting External Connections
Loose or improperly connected cables are the most likely source of problems for the system, monitor, and other peripherals (such as a printer, keyboard,
mouse, or other external device). Ensure that all external cables are securely attached to the external connectors on your system. See Figure2-1 for the front-
panel connectors on your system and Figure2-3 for the back-panel connectors.
Troubleshooting the Video Subsystem
Safety First—For You and Your System
Troubleshooting Power Supplies
Start-Up Routine
Troubleshooting System Cooling Problems
Checking the Equipment
Troubleshooting System Memory
Troubleshooting External Connections
Troubleshooting a Diskette Drive
Troubleshooting Basic I/O Functions
Troubleshooting an Optical Drive
Troubleshooting a NIC
Troubleshooting an External SCSI Tape Drive
RespondingtoaSystemsManagementSoftwareAlertMessage
Troubleshooting SCSI Hard Drives
Inside the System
Troubleshooting an Integrated RAID Controller
Troubleshooting a Wet System
Troubleshooting a RAID Controller Card
Troubleshooting a Damaged System
Troubleshooting Expansion Cards
Troubleshooting the System Battery
Troubleshooting the Microprocessors
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See
your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.
Look/listen for:
Action
A status or error message displayed on the front-panel LCD.
See "LCD Status Messages" in "Indicators, Messages, and Codes."
An error message displayed on the monitor.
See "System Messages" in "Indicators, Codes, and Messages."
A series of beeps emitted by the system.
See "System Beep Codes" in "Indicators, Codes, and Messages."
Alert messages from the systems management software.
See the systems management software documentation.
The monitor's power indicator.
See "Troubleshooting the Video Subsystem."
The keyboard indicators.
See "Troubleshooting the Keyboard."
The USB diskette drive activity indicator.
See "Troubleshooting a USB Device."
The USB optical drive activity indicator.
See "Troubleshooting a USB Device."
The diskette drive activity indicator.
See "Troubleshooting a Diskette Drive."
The optical drive activity indicator.
See "Troubleshooting an Optical Drive."
The hard-drive activity indicator.
See "Troubleshooting SCSI Hard Drives."
An unfamiliar constant scraping or grinding sound when you access a drive.
See "Getting Help."
- Notes, Notices, and Cautions 1
- Abbreviations and Acronyms 1
- Jumpers and Connectors 2
- System Board Connectors 3
- I/O Connectors 7
- Video Connector 8
- USB Connectors 9
- Integrated NIC Connectors 9
- Network Cable Requirements 10
- Introduction 11
- Power Indicator Codes 15
- NIC Indicator Codes 15
- LCD Status Messages 16
- System Messages 18
- Table 2-9.SystemMessages 19
- System Beep Codes 21
- Warning Messages 23
- Diagnostics Messages 23
- Alert Messages 23
- Before You Begin 24
- From the Utility Partition 26
- Error Messages 27
- Start-Up Routine 28
- Checking the Equipment 28
- Troubleshooting the Keyboard 29
- Troubleshooting the Mouse 29
- Troubleshooting a NIC 31
- Inside the System 31
- Removing the Bezel 32
- Replacing the Bezel 32
- Opening the System 33
- Closing the System 33
- Problem 34
- Troubleshooting a Fan 36
- Installing System Options 45
- Power Supplies 46
- Expansion-Card Cage 46
- Expansion Cards 48
- Removing an Expansion Card 49
- System Memory 50
- Installing Memory Modules 51
- Processors 52
- System Battery 54
- Installing Drives 58
- SCSI Hard Drives 59
- Installing a SCSI Hard Drive 60
- Removing a SCSI Hard Drive 60
- Getting Help 66
- Problems With Your Order 67
- Product Information 67
- Before You Call 68
- Dell Contact Numbers 68
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