8Contents
SAS Backplane. . . . . . . . . . . . . . . . . . . . . 135
Removing the SAS Backplane . . . . . . . . . . 135
Installing the SAS Backplane. . . . . . . . . . . 137
Power Distribution Board . . . . . . . . . . . . . . . 138
Removing the Power Distribution
Board . . . . . . . . . . . . . . . . . . . . . . . 138
Replacing the Power Distribution
Board . . . . . . . . . . . . . . . . . . . . . . . 140
System Board . . . . . . . . . . . . . . . . . . . . . 141
Removing the System Board . . . . . . . . . . . 141
Installing the System Board. . . . . . . . . . . . 143
4 Troubleshooting Your System . . . . . . . . 145
Safety First—For You and Your System . . . . . . . . 145
Troubleshooting System Startup Failure. . . . . . . . 145
Troubleshooting External Connections . . . . . . . . 145
Troubleshooting the Video Subsystem. . . . . . . . . 146
Troubleshooting a USB Device . . . . . . . . . . . . 146
Troubleshooting a Serial I/O Device. . . . . . . . . . 147
Troubleshooting a NIC. . . . . . . . . . . . . . . . . 147
Troubleshooting a Wet System. . . . . . . . . . . . . 148
Troubleshooting a Damaged System. . . . . . . . . . 149
Troubleshooting the System Battery. . . . . . . . . . 150
Troubleshooting Power Supply . . . . . . . . . . . . 151
Troubleshooting System Cooling Problems. . . . . . 151
R310HOM.book Page 8 Thursday, March 4, 2010 1:03 AM