
Removing the antenna modules...............................................................................................................................34
Installing the antenna modules.................................................................................................................................36
Removing the media-card reader............................................................................................................................ 37
Installing the media-card reader.............................................................................................................................. 38
Removing the power-supply unit.............................................................................................................................39
Installing the power-supply unit................................................................................................................................41
Removing the fan shroud.......................................................................................................................................... 42
Installing the fan shroud............................................................................................................................................ 43
Removing the processor fan and heat-sink assembly........................................................................................ 44
Installing the processor fan and heat-sink assembly.......................................................................................... 45
Removing the processor............................................................................................................................................46
Installing the processor.............................................................................................................................................. 47
Removing the system board..................................................................................................................................... 48
Installing the system board........................................................................................................................................ 51
BIOS overview....................................................................................................................................................................57
Entering BIOS setup program........................................................................................................................................ 57
Navigation keys..................................................................................................................................................................57
Boot Sequence...................................................................................................................................................................58
One time boot menu.........................................................................................................................................................58
System setup options.......................................................................................................................................................58
System and setup password...........................................................................................................................................68
Assigning a system setup password....................................................................................................................... 68
Deleting or changing an existing system setup password.................................................................................69
Real Time Clock (RTC) reset....................................................................................................................................69
Clearing BIOS (System Setup) and System passwords.....................................................................................70
Updating the BIOS in Windows................................................................................................................................70
Updating the BIOS using the USB drive in Windows..........................................................................................70
Updating the BIOS from the F12 One-Time boot menu......................................................................................71
Locate the Service Tag or Express Service Code of your Dell computer
..............................................72
SupportAssist diagnostics............................................................................................................................................... 72
System diagnostic lights.................................................................................................................................................. 72
Recovering the operating system..................................................................................................................................73
WiFi power cycle................................................................................................................................................................73
Drain residual flea power (perform hard reset)......................................................................................................... 74
4
Contents