Display hinges............................................................................................................................................................. 57Camera........................................................................................................................................................................58Display back-cover.....................................................................................................................................................60Display cable............................................................................................................................................................... 62Palm-rest and keyboard assembly........................................................................................................................... 634 Troubleshooting........................................................................................................................................... 66Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................................................................................66Running the ePSA diagnostics................................................................................................................................. 66System diagnostic lights................................................................................................................................................. 66Flashing BIOS (USB key)................................................................................................................................................ 67Flashing the BIOS............................................................................................................................................................ 68Backup media and recovery options..............................................................................................................................68WiFi power cycle..............................................................................................................................................................68Flea power release........................................................................................................................................................... 685 Getting help.................................................................................................................................................69Contacting Dell.................................................................................................................................................................694 Contents