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Troubleshooting Your System
Dell™PowerEdge™2500SystemsInstallationandTroubleshootingGuide
If your system is not working as expected, begin troubleshooting using the procedures in this section. This section guides you through some initial checks and
procedures that can solve basic system problems and provides troubleshooting procedures for components inside the system. Before you start any of the procedures in
this section, take the following steps:
l Lay the system on its side.
l Read the "Safety Instructions" in your System Information document.
l Read "RunningtheDell™Diagnostics" for information about running diagnostics.
l Get the key to the system keylock.
Safety First—For You and Your System
The procedures in this guide require that you remove the 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 Dell documentation. Always follow the instructions closely. Make sure to review all of the procedures in "Safety
Instructions" in your System Information document.
Working inside the system is safe—if you observe the following precautions.
External Connections
Improperly set switches, controls, and loose or improperly connected cables are the most likely source of problems for the system, monitor, or other peripherals (such
as a printer, keyboard, mouse, or other external equipment). A quick check of all the switches, controls, and cable connections can easily solve these problems. See
Figure2-3 for the back-panel features and connectors.
Checking Specific System Problems
1. Turn off the system, including any attached peripherals. Disconnect all the power cables from their electrical outlets.
2. If the system is connected to a PDU, turn the PDU off and then on again.
If it is not receiving power, plug it into another electrical outlet. If it still is not receiving power, try another PDU.
3. Reconnect the system to the electrical outlet or PDU.
Safety First—For You and Your System
External Connections
Checking Specific System Problems
Start-Up Routine
System Orientation
Removing and Replacing the Front Bezel
Removing and Replacing the System Cover
Checking the Equipment
Inside the System
Responding to a Dell OpenManage Server Agent Alert Message
Troubleshooting a Wet System
Troubleshooting a Damaged System
Troubleshooting the System Battery
Troubleshooting Redundant Power Supplies
Troubleshooting a Cooling Fan
Troubleshooting Expansion Cards
Troubleshooting System Memory
Troubleshooting the Video Subsystem
Troubleshooting the System Board
Troubleshooting the Diskette Drive
Troubleshooting a CD-ROM Drive
Troubleshooting an External SCSI Tape Drive
Troubleshooting Hard-Disk Drives
Troubleshooting an Integrated RAID Controller
Troubleshooting a RAID Controller Card
WARNING: The power supplies in this system produce high voltages and energy hazards, which can cause bodily harm. Only trained service
technicians are authorized to remove the system cover and access any of the components inside the system.
CAUTION: See "Protecting Against Electrostatic Discharge" in the Safety Instructions in your System Information document before performing
any procedure which requires you to open the cover.