Contents 9
Troubleshooting a Damaged System  . . . . . . . . . .  152
Troubleshooting the System Battery
. . . . . . . . . . .  152
Troubleshooting Power Supplies
 . . . . . . . . . . . .  153
Troubleshooting System Cooling Problems
. . . . . . .  154
Troubleshooting a Fan
. . . . . . . . . . . . . . . . . .  154
Troubleshooting System Memory
 . . . . . . . . . . . .  155
Troubleshooting an Internal USB Key
. . . . . . . . . .  157
Troubleshooting an Optical Drive . . . . . . . . . . . .  158
Troubleshooting a Tape Backup Unit
 . . . . . . . . . .  159
Troubleshooting a Hard Drive
. . . . . . . . . . . . . .  160
Troubleshooting a SAS or SAS RAID Controller
 . . . .  161
Troubleshooting Expansion Cards
. . . . . . . . . . . .  162
Troubleshooting the Processor
 . . . . . . . . . . . . .  163
5 Running the System Diagnostics . . . . . .  165
Using Online Diagnostics . . . . . . . . . . . . . . . .  165
Embedded System Diagnostics Features . . . . . . . .  165
When to Use the Embedded System Diagnostics
. . . .  166
Running the Embedded System Diagnostics
 . . . . . .  166
System Diagnostics Testing Options
 . . . . . . . . . .  167
Using the Custom Test Options
 . . . . . . . . . . . . .  167
Selecting Devices for Testing
 . . . . . . . . . . .  167
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