Dell PowerEdge 2650 - Manual (Page 33)

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Troubleshooting Your System
Dell™ PowerEdge™ 2650 Systems Installation and Troubleshooting Guide
Safety First—For You and Your System
Before You Begin
External Connections
Checking Specific System Problems
Start-Up Routine
System Orientation
Bezel
System Cover
Checking the Equipment
Inside the System
Responding to a Systems Management Alert Message
Troubleshooting a Wet System
Troubleshooting a Damaged System
Troubleshooting the System Battery
Troubleshooting Power Supplies
Troubleshooting System Cooling
Troubleshooting a Microprocessor
Troubleshooting Expansion Cards
Troubleshooting System Memory
Troubleshooting the Diskette Drive
Troubleshooting a CD Drive
Troubleshooting an External SCSI Tape Drive
Troubleshooting Hard Drives
Troubleshooting the Integrated RAID Controller
Troubleshooting a RAID Controller Card
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 Read the "Safety Instructions" in your System Information document.
l Read " Running System Diagnostics " for information about running diagnostics.
l Get the key to the system keylock and the system back cover.
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 your system documentation. Always follow the instructions closely. Ensure that you 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.
Before You Begin
Before you perform any of the procedures, ensure that the following components are securely and properly installed:
l Power cables
l Cables to external devices, such as monitor, mouse, keyboard, and so on
l System board tray
l Expansion-card cage
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
CAUTION: 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.
NOTICE: 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.