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Removing the system board........................................................................................................................................ 95
Installing the system board...........................................................................................................................................97
Entering the system Service Tag by using System Setup....................................................................................... 99
Installing the Trusted Platform Module...................................................................................................................... 99
Initializing the TPM for BitLocker users.................................................................................................................... 100
Initializing the TPM for TXT users............................................................................................................................. 100
When to use the Embedded System Diagnostics....................................................................................................102
Running the Embedded System Diagnostics from Boot Manager........................................................................ 102
Running the Embedded System Diagnostics from the Dell Lifecycle Controller................................................. 102
System diagnostics controls.......................................................................................................................................103
System board jumpers and connectors.......................................................................................................................... 104
System board jumper settings......................................................................................................................................... 105
Disabling a forgotten password....................................................................................................................................... 106
Troubleshooting system startup failure...........................................................................................................................107
Troubleshooting external connections............................................................................................................................ 107
Troubleshooting the video subsystem............................................................................................................................ 108
Troubleshooting a USB device.........................................................................................................................................108
Troubleshooting a serial input and output device.......................................................................................................... 108
Troubleshooting a NIC.......................................................................................................................................................109
Troubleshooting a wet system.........................................................................................................................................109
Troubleshooting a damaged system................................................................................................................................ 110
Troubleshooting the system battery.................................................................................................................................111
Troubleshooting power supply units................................................................................................................................. 111
Troubleshooting power source problems................................................................................................................... 111
Power supply unit problems........................................................................................................................................ 112
Troubleshooting cooling problems....................................................................................................................................112
Troubleshooting cooling fans............................................................................................................................................ 112
Troubleshooting system memory..................................................................................................................................... 113
Troubleshooting an internal USB key............................................................................................................................... 114
Troubleshooting a micro SD card..................................................................................................................................... 114
Troubleshooting an optical drive.......................................................................................................................................115
Troubleshooting a drive or SSD........................................................................................................................................ 115
Troubleshooting a storage controller............................................................................................................................... 116
Troubleshooting expansion cards..................................................................................................................................... 117
Troubleshooting processors.............................................................................................................................................. 117
System messages............................................................................................................................................................... 118
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