Owners Manual

8 Contents
Installing the System Board. . . . . . . . . . . . 135
4 Troubleshooting Your System . . . . . . . . 137
Safety First—For You and Your System . . . . . . . . 137
Troubleshooting System Startup Failure. . . . . . . . 137
Troubleshooting External Connections
. . . . . . . . 137
Troubleshooting the Video Subsystem
. . . . . . . . . 138
Troubleshooting a USB Device . . . . . . . . . . . . 138
Troubleshooting a Serial I/O Device
. . . . . . . . . . 139
Troubleshooting a NIC
. . . . . . . . . . . . . . . . . 139
Troubleshooting a Wet System. . . . . . . . . . . . . 140
Troubleshooting a Damaged System
. . . . . . . . . . 141
Troubleshooting the System Battery
. . . . . . . . . . 142
Troubleshooting Power Supply . . . . . . . . . . . . 143
Troubleshooting System Cooling Problems
. . . . . . 143
Troubleshooting a Fan
. . . . . . . . . . . . . . . . . 144
Troubleshooting System Memory
. . . . . . . . . . . 145
Troubleshooting an Optical Drive
. . . . . . . . . . . 147
Troubleshooting a Tape Backup Unit
. . . . . . . . . 148
Troubleshooting a Hard Drive . . . . . . . . . . . . . 149
Troubleshooting an Expansion Card
. . . . . . . . . . 149
Troubleshooting the Processor
. . . . . . . . . . . . 150
book.book.book Page 8 Tuesday, September 7, 2010 8:45 PM