5 Troubleshooting your system........................................................................ 145
Safety first—for you and your system...............................................................................................145
Troubleshooting system startup failure........................................................................................... 145
Troubleshooting external connections............................................................................................145
Troubleshooting the video subsystem.............................................................................................145
Troubleshooting a USB device......................................................................................................... 145
Troubleshooting iDRAC Direct (USB XML configuration)............................................................... 146
Troubleshooting iDRAC Direct (Laptop connection)...................................................................... 147
Troubleshooting a serial I/O device................................................................................................. 147
Troubleshooting an NIC....................................................................................................................147
Troubleshooting a wet system.........................................................................................................148
Troubleshooting a damaged system................................................................................................149
Troubleshooting the system battery................................................................................................149
Troubleshooting power supply units............................................................................................... 150
Troubleshooting power source problems................................................................................. 150
Power supply unit problems.......................................................................................................150
Troubleshooting cooling problems..................................................................................................151
Troubleshooting cooling fans...........................................................................................................151
Troubleshooting system memory.................................................................................................... 152
Troubleshooting an internal USB key...............................................................................................153
Troubleshooting an SD card.............................................................................................................153
Troubleshooting an optical drive..................................................................................................... 154
Troubleshooting a tape backup unit................................................................................................ 154
Troubleshooting a hard drive............................................................................................................155
Troubleshooting a storage controller.............................................................................................. 156
Troubleshooting expansion cards....................................................................................................156
Troubleshooting processors.............................................................................................................157
System messages..............................................................................................................................158
Warning messages...................................................................................................................... 158
Diagnostic messages...................................................................................................................158
Alert messages.............................................................................................................................158
6 Using system diagnostics................................................................................159
Dell Embedded System Diagnostics.................................................................................................159
When to use the Embedded System Diagnostics......................................................................159
Running the Embedded System Diagnostics from Boot Manager............................................159
Running the Embedded System Diagnostics from the Dell Lifecycle Controller.....................159
System diagnostics controls.......................................................................................................160
7 Jumpers and connectors.................................................................................161
System board jumper settings...........................................................................................................161
7
