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6 Contents
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 Supplies . . . . . . . . . . . 151
Troubleshooting System Cooling Problems
. . . . . . 151
Troubleshooting a Fan
. . . . . . . . . . . . . . . . . 152
Troubleshooting System Memory
. . . . . . . . . . . 152
Troubleshooting an Internal USB Key
. . . . . . . . . 154
Troubleshooting an Optical Drive
. . . . . . . . . . . 155
Troubleshooting an External Tape Drive
. . . . . . . . 155
Troubleshooting a Hard Drive
. . . . . . . . . . . . . 156
Troubleshooting a SAS or SAS RAID Controller
. . . . 158
Troubleshooting Expansion Cards
. . . . . . . . . . . 159
Troubleshooting the Microprocessors . . . . . . . . 160
5 Running the System Diagnostics . . . . . . 163
Using Dellâ„¢ Diagnostics . . . . . . . . . . . . . . . 163
Embedded System Diagnostics Features
. . . . . . . 163
book.book Page 6 Tuesday, March 31, 2009 5:26 PM