8 Contents
Troubleshooting External Connections . . . . . . . . 129
Troubleshooting the Video Subsystem
. . . . . . . . . 130
Troubleshooting a USB Device
. . . . . . . . . . . . 130
Troubleshooting a Serial I/O Device
. . . . . . . . . . 131
Troubleshooting a NIC
. . . . . . . . . . . . . . . . . 131
Troubleshooting a Wet System
. . . . . . . . . . . . . 132
Troubleshooting a Damaged System
. . . . . . . . . . 134
Troubleshooting the System Battery . . . . . . . . . . 134
Troubleshooting Power Supplies
. . . . . . . . . . . 135
Troubleshooting System Cooling Problems
. . . . . . 136
Troubleshooting a Fan
. . . . . . . . . . . . . . . . . 136
Troubleshooting System Memory
. . . . . . . . . . . 137
Troubleshooting an Internal USB Key
. . . . . . . . . 139
Troubleshooting a Hard Drive
. . . . . . . . . . . . . 140
Troubleshooting an Internal Hard Drive
. . . . . . . . 141
Troubleshooting a Storage Controller
. . . . . . . . . 142
Troubleshooting Expansion Cards
. . . . . . . . . . . 143
Troubleshooting Processors . . . . . . . . . . . . . . 145
5 Running the System Diagnostics . . . . . . 147
Using Online Diagnostics . . . . . . . . . . . . . . . 147
Embedded System Diagnostics Features
. . . . . . . 147
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