Removing the I/O board.............................................................................................................................................41
Installing the IO board................................................................................................................................................ 42
Removing the heat sink (integrated graphics).....................................................................................................43
Installing the heat sink (integrated graphics).......................................................................................................44
Removing the heat sink (discrete graphics).........................................................................................................45
Installing the heat sink (discrete graphics)........................................................................................................... 46
Removing the power-button with fingerprint reader......................................................................................... 48
Installing the power-button with fingerprint reader........................................................................................... 49
Removing the system board.....................................................................................................................................50
Installing the system board....................................................................................................................................... 52
Removing the palm-rest and keyboard assembly................................................................................................ 54
Installing the palm-rest and keyboard assembly.................................................................................................. 55
Entering BIOS setup program........................................................................................................................................ 57
Navigation keys..................................................................................................................................................................57
Boot Sequence...................................................................................................................................................................58
System setup options.......................................................................................................................................................58
Updating the BIOS in Windows .................................................................................................................................... 62
Flashing the BIOS from the F12 One-Time boot menu............................................................................................ 64
System and setup password...........................................................................................................................................67
Assigning a system setup password....................................................................................................................... 67
Deleting or changing an existing system setup password.................................................................................68
Clearing CMOS settings............................................................................................................................................ 68
Clearing BIOS (System Setup) and System passwords.................................................................................... 69
Locate the Service Tag or Express Service Code of your Dell computer
..............................................70
System-diagnostic lights.................................................................................................................................................. 71
SupportAssist | On-board Diagnostics......................................................................................................................... 72
Recovering the operating system..................................................................................................................................72
Real-Time Clock (RTC Reset)........................................................................................................................................ 72
Updating the BIOS in Windows......................................................................................................................................73
Updating the BIOS using the USB drive in Windows................................................................................................73
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