Installing the display back-cover..................................................................................................................................79
Palm-rest and keyboard assembly.................................................................................................................................... 80
Removing the palmrest and keyboard assembly....................................................................................................... 80
4 Troubleshooting......................................................................................................................... 82
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................82
Running the ePSA diagnostics.....................................................................................................................................82
System diagnostic lights.....................................................................................................................................................82
Flashing BIOS (USB key)....................................................................................................................................................83
Flashing the BIOS................................................................................................................................................................ 83
Backup media and recovery options................................................................................................................................. 84
WiFi power cycle................................................................................................................................................................. 84
Flea power release...............................................................................................................................................................84
5 Getting help...............................................................................................................................85
Contacting Dell.................................................................................................................................................................... 85
Contents 5
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