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Troubleshooting a damaged system................................................................................................156
Troubleshooting the system battery.................................................................................................157
Troubleshooting power supply units............................................................................................... 158
Troubleshooting power source problems................................................................................. 158
Troubleshooting power supply unit problems...........................................................................158
Troubleshooting cooling problems..................................................................................................159
Troubleshooting cooling fans.......................................................................................................... 159
Troubleshooting system memory....................................................................................................160
Troubleshooting an internal USB key............................................................................................... 161
Troubleshooting an SD card............................................................................................................. 161
Troubleshooting a hard drive........................................................................................................... 162
Troubleshooting a storage controller.............................................................................................. 163
Troubleshooting expansion cards....................................................................................................164
Troubleshooting processors.............................................................................................................164
Troubleshooting a GPU.................................................................................................................... 165
System messages.............................................................................................................................. 165
Warning messages.......................................................................................................................165
Diagnostic messages...................................................................................................................165
Alert messages.............................................................................................................................166
6 Using system diagnostics................................................................................167
Dell Embedded System Diagnostics.................................................................................................167
When to use the Embedded System Diagnostics...................................................................... 167
Running the Embedded System Diagnostics from Boot Manager............................................167
Running the Embedded System Diagnostics from the Dell Lifecycle Controller.................... 168
System diagnostic controls.........................................................................................................168
7 Jumpers and connectors................................................................................ 169
System board jumper settings..........................................................................................................169
System board connectors.................................................................................................................170
Disabling a forgotten password........................................................................................................ 171
8 Technical specifications..................................................................................173
9 Getting help....................................................................................................... 177
Contacting Dell..................................................................................................................................177
Locating your system service tag......................................................................................................177
Mini Express Service Tag............................................................................................................. 178
Quick Resource Locator .................................................................................................................. 178
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