8Contents
System Battery. . . . . . . . . . . . . . . . . . . . . 157
Replacing the System Battery . . . . . . . . . . 157
SAS Backplane. . . . . . . . . . . . . . . . . . . . . 159
Removing the SAS Backplane . . . . . . . . . . 159
Installing the SAS Backplane. . . . . . . . . . . 161
Power Distribution Board . . . . . . . . . . . . . . . 161
Removing the Power Distribution Board . . . . . 161
Replacing the Power Distribution Board. . . . . 163
Control Panel Assembly . . . . . . . . . . . . . . . . 163
Removing the Control Panel Display Module. . . 163
Installing the Control Panel Display Module . . . 164
Removing the Control Panel Board. . . . . . . . 166
Installing the Control Panel Board . . . . . . . . 167
System Board. . . . . . . . . . . . . . . . . . . . . . 168
Removing the System Board . . . . . . . . . . . 168
Installing the System Board. . . . . . . . . . . . 170
4 Troubleshooting Your System . . . . . . . . 173
Safety First—For You and Your System . . . . . . . . 173
Troubleshooting System Startup Failure. . . . . . . . 173
Troubleshooting External Connections . . . . . . . . 173
Troubleshooting the Video Subsystem. . . . . . . . . 174
Troubleshooting a USB Device . . . . . . . . . . . . 174
Troubleshooting a Serial I/O Device. . . . . . . . . . 175
Troubleshooting a NIC. . . . . . . . . . . . . . . . . 175
book.book Page 8 Wednesday, January 20, 2010 10:20 AM