Removing the I/O board............................................................................................................................................40
Installing the I/O board...............................................................................................................................................41
Removing the speakers..............................................................................................................................................43
Installing the speakers................................................................................................................................................ 44
Removing the system board..................................................................................................................................... 46
Installing the system board....................................................................................................................................... 48
Removing the power-button board........................................................................................................................ 50
Installing the power-button board........................................................................................................................... 51
Removing the power-adapter port......................................................................................................................... 53
Installing the power-adapter port............................................................................................................................54
Removing the palm-rest and keyboard assembly................................................................................................55
Installing the palm-rest and keyboard assembly.................................................................................................. 56
BIOS overview................................................................................................................................................................... 59
Entering BIOS setup program........................................................................................................................................ 59
Navigation keys................................................................................................................................................................. 59
One time boot menu.........................................................................................................................................................60
System setup options.......................................................................................................................................................60
System and setup password.......................................................................................................................................... 65
Assigning a system setup password....................................................................................................................... 65
Deleting or changing an existing system setup password.................................................................................66
Clearing CMOS settings............................................................................................................................................ 66
Clearing BIOS (System Setup) and System passwords.................................................................................... 66
Updating the BIOS in Windows................................................................................................................................ 67
Updating the BIOS using the USB drive in Windows..........................................................................................67
Updating the BIOS from the F12 One-Time boot menu.....................................................................................68
Locate the Service Tag or Express Service Code of your Dell computer
............................................. 69
System-diagnostic lights................................................................................................................................................. 70
SupportAssist | On-board Diagnostics..........................................................................................................................71
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