Service Manual

Procedure.............................................................................................................................................................................35
24 Replacing the palm-rest assembly..............................................................................................36
Procedure.............................................................................................................................................................................36
Post-requisites.....................................................................................................................................................................36
25 System setup........................................................................................................................... 37
BIOS overview..................................................................................................................................................................... 37
Entering BIOS setup program............................................................................................................................................ 37
Navigation keys....................................................................................................................................................................37
Boot Sequence.................................................................................................................................................................... 38
System setup options......................................................................................................................................................... 38
26 System and setup password...................................................................................................... 44
Assigning a system setup password................................................................................................................................. 44
Deleting or changing an existing system setup password..............................................................................................44
Clearing CMOS settings..................................................................................................................................................... 45
Clearing BIOS (System Setup) and System passwords.................................................................................................45
27 Troubleshooting....................................................................................................................... 46
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................46
Running the ePSA diagnostics.....................................................................................................................................46
Flashing BIOS (USB key)....................................................................................................................................................46
Flashing the BIOS................................................................................................................................................................ 46
Backup media and recovery options................................................................................................................................. 47
WiFi power cycle..................................................................................................................................................................47
Flea power release...............................................................................................................................................................47
System diagnostic lights..................................................................................................................................................... 47
28 Getting help and contacting Dell................................................................................................ 49
Contents
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