Removing the power-adapter port......................................................................................................................... 35
Installing the power-adapter port............................................................................................................................36
I/O board............................................................................................................................................................................. 37
Removing the I/O board............................................................................................................................................ 37
Installing the I/O board.............................................................................................................................................. 38
System board..................................................................................................................................................................... 39
Removing the system board..................................................................................................................................... 39
Installing the system board....................................................................................................................................... 42
Palm-rest and keyboard assembly.................................................................................................................................44
Removing the palm-rest and keyboard assembly................................................................................................ 44
Installing the palm-rest and keyboard assembly.................................................................................................. 45
Power button with fingerprint reader.......................................................................................................................... 46
Removing the power button with fingerprint reader..........................................................................................46
Installing the power button with fingerprint reader............................................................................................ 47
Chapter 4: Troubleshooting......................................................................................................... 49
Handling swollen Lithium-ion batteries........................................................................................................................ 49
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................49
Running the SupportAssist Pre-Boot System Performance Check................................................................50
Validation Tools .......................................................................................................................................................... 50
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...............................................................................56
Running SupportAssist diagnostics.........................................................................................................................56
System diagnostic lights.................................................................................................................................................. 57
Updating the BIOS using the USB drive in Windows............................................................................................... 58
Updating the BIOS in Windows..................................................................................................................................... 59
Backup media and recovery options.............................................................................................................................59
WiFi power cycle............................................................................................................................................................... 59
Drain residual flea power (perform hard reset)......................................................................................................... 59
Chapter 5: Getting help and contacting Dell................................................................................ 61
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