Contents 9
Troubleshooting a NIC . . . . . . . . . . . . . . . . . . 155
Troubleshooting a Wet System . . . . . . . . . . . . . 156
Troubleshooting a Damaged System . . . . . . . . . . 157
Troubleshooting the System Battery . . . . . . . . . . 158
Troubleshooting Power Supplies . . . . . . . . . . . . 158
Troubleshooting System Cooling Problems . . . . . . . 159
Troubleshooting a Fan . . . . . . . . . . . . . . . . . . 160
Troubleshooting System Memory . . . . . . . . . . . . 160
Troubleshooting an Internal SD Card . . . . . . . . . . 162
Troubleshooting an Internal USB Memory Key . . . . . 163
Troubleshooting an Optical Drive . . . . . . . . . . . . 164
Troubleshooting a Tape Backup Unit . . . . . . . . . . 165
Troubleshooting a Hard Drive . . . . . . . . . . . . . . 166
Troubleshooting a Storage Controller . . . . . . . . . 167
Troubleshooting Expansion Cards . . . . . . . . . . . 168
Troubleshooting the Processor(s) . . . . . . . . . . . . 170
5 Running the System Diagnostics . . . . . 173
Using Dell™ PowerEdge™ Diagnostics . . . . . . . . 173
System Diagnostics Features . . . . . . . . . . . . . . 173
When to Use the System Diagnostics . . . . . . . . . . 174
Running the System Diagnostics . . . . . . . . . . . . 174