Contents 9
System Board . . . . . . . . . . . . . . . . . . . . . . 165
Removing the System Board
. . . . . . . . . . . . 165
Installing the System Board
. . . . . . . . . . . . 167
4 Troubleshooting Your System . . . . . . . . 169
Safety First—For You and Your System . . . . . . . . . 169
Troubleshooting System Startup Failure
. . . . . . . . 169
Troubleshooting External Connections
. . . . . . . . . 169
Troubleshooting the Video Subsystem
. . . . . . . . . 170
Troubleshooting a USB Device
. . . . . . . . . . . . . 170
Troubleshooting a Serial I/O Device
. . . . . . . . . . 171
Troubleshooting a NIC
. . . . . . . . . . . . . . . . . . 171
Troubleshooting a Wet System
. . . . . . . . . . . . . 172
Troubleshooting a Damaged System
. . . . . . . . . . 174
Troubleshooting the System Battery
. . . . . . . . . . . 174
Troubleshooting Power Supplies
. . . . . . . . . . . . 175
Troubleshooting System Cooling Problems
. . . . . . . 176
Troubleshooting a Fan
. . . . . . . . . . . . . . . . . . 176
Troubleshooting System Memory
. . . . . . . . . . . . 177
Troubleshooting an Internal USB Key
. . . . . . . . . . 179
Troubleshooting an Optical Drive
. . . . . . . . . . . . 180
Troubleshooting a Hard Drive
. . . . . . . . . . . . . . 181
book.book Page 9 Friday, November 20, 2009 2:56 PM
