Installing the control panel assembly.........................................................................................188
System board.................................................................................................................................... 190
Removing the system board.......................................................................................................190
Installing the system board......................................................................................................... 191
Trusted Platform Module..................................................................................................................194
Installing the Trusted Platform Module......................................................................................194
Initializing the TPM for BitLocker users...................................................................................... 195
Initializing the TPM for TXT users............................................................................................... 195
Power interposer board and power distribution board...................................................................196
Removing the power interposer board......................................................................................196
Removing the power distribution board.................................................................................... 197
Installing the power distribution board...................................................................................... 198
Installing the power interposer board........................................................................................199
8 Using system diagnostics................................................................................201
Dell Embedded System Diagnostics.................................................................................................201
Running the Embedded System Diagnostics from Boot Manager........................................... 201
Running the Embedded System Diagnostics from the Dell Lifecycle Controller.................... 201
System diagnostic controls........................................................................................................ 202
9 Jumpers and connectors ...............................................................................203
System board connectors................................................................................................................ 203
System board jumper settings..........................................................................................................205
Disabling a forgotten password....................................................................................................... 205
10 Troubleshooting your system......................................................................207
Safety first — for you and your system............................................................................................ 207
Troubleshooting system startup failure........................................................................................... 207
Troubleshooting external connections............................................................................................207
Troubleshooting the video subsystem.............................................................................................207
Troubleshooting a USB device.........................................................................................................208
Troubleshooting a serial I/O device.................................................................................................208
Troubleshooting a NIC.....................................................................................................................209
Troubleshooting a wet system.........................................................................................................209
Troubleshooting a damaged system................................................................................................210
Troubleshooting the system battery.................................................................................................211
Troubleshooting power supply units................................................................................................212
Troubleshooting power source problems................................................................................. 212
Power supply unit problems....................................................................................................... 212
Troubleshooting cooling problems..................................................................................................212
Troubleshooting cooling fans...........................................................................................................213
Troubleshooting system memory.................................................................................................... 214
7
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