10 Troubleshooting your system......................................................................222
Safety first — for you and your system............................................................................................ 222
Troubleshooting system startup failure........................................................................................... 222
Troubleshooting external connections............................................................................................222
Troubleshooting the video subsystem.............................................................................................222
Troubleshooting a USB device.........................................................................................................223
Troubleshooting iDRAC Direct (USB XML configuration)............................................................... 224
Troubleshooting iDRAC Direct (Laptop connection)......................................................................224
Troubleshooting a serial I/O device.................................................................................................225
Troubleshooting a NIC..................................................................................................................... 225
Troubleshooting a wet system.........................................................................................................226
Troubleshooting a damaged system................................................................................................227
Troubleshooting the system battery................................................................................................ 227
Troubleshooting power supply units...............................................................................................228
Troubleshooting power source problems.................................................................................228
Power supply unit problems.......................................................................................................228
Troubleshooting cooling problems................................................................................................. 229
Troubleshooting cooling fans.......................................................................................................... 229
Troubleshooting system memory....................................................................................................230
Troubleshooting an internal USB key...............................................................................................231
Troubleshooting an SD card.............................................................................................................231
Troubleshooting an optical drive..................................................................................................... 232
Troubleshooting a tape backup unit................................................................................................233
Troubleshooting a hard drive........................................................................................................... 233
Troubleshooting a storage controller..............................................................................................234
Troubleshooting expansion cards....................................................................................................235
Troubleshooting processors............................................................................................................ 236
11 Getting help..................................................................................................... 237
Contacting Dell................................................................................................................................. 237
Documentation feedback.................................................................................................................237
Accessing system information by using QRL...................................................................................237
Quick Resource Locator.............................................................................................................238
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