Removing the heat sink assembly............................................................................................................................... 46
Installing the heat sink assembly..................................................................................................................................48
Memory modules.................................................................................................................................................................50
Removing the memory module....................................................................................................................................50
Installing the memory module....................................................................................................................................... 51
Power switch....................................................................................................................................................................... 52
Removing power switch............................................................................................................................................... 52
Installing the power switch...........................................................................................................................................54
Power supply unit................................................................................................................................................................56
Removing the power supply unit PSU........................................................................................................................ 56
Installing the power supply unit PSU.......................................................................................................................... 59
Coin-cell battery.................................................................................................................................................................. 62
Removing the coin cell battery.................................................................................................................................... 62
Installing the coin cell battery.......................................................................................................................................63
Processor..............................................................................................................................................................................64
Removing the processor...............................................................................................................................................64
Installing the processor.................................................................................................................................................65
System board.......................................................................................................................................................................66
Removing the system board........................................................................................................................................ 66
Installing the system board............................................................................................................................................71
TPM 2.0 installation.......................................................................................................................................................76
4 Troubleshooting......................................................................................................................... 79
Enhanced Pre-Boot System Assessment — ePSA diagnostics................................................................................... 79
Running the ePSA Diagnostics.....................................................................................................................................79
Diagnostics........................................................................................................................................................................... 80
Diagnostic error messages................................................................................................................................................. 80
System error messages...................................................................................................................................................... 83
5 Getting help...............................................................................................................................84
Contacting Dell.................................................................................................................................................................... 84
Contents
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