Dell OptiPlex XE3 Tower Service Manual page 3

Installing PCIe expansion card..................................................................................................................................33
Power supply unit..............................................................................................................................................................34
Removing power supply unit or PSU...................................................................................................................... 34
Installing power supply unit or PSU........................................................................................................................ 36
Intrusion switch................................................................................................................................................................. 38
Removing intrusion switch........................................................................................................................................ 38
Installing intrusion switch.......................................................................................................................................... 39
Speaker................................................................................................................................................................................ 40
Removing speaker....................................................................................................................................................... 40
Installing speaker.......................................................................................................................................................... 41
Power button..................................................................................................................................................................... 42
Removing power button............................................................................................................................................ 42
Installing power button...............................................................................................................................................44
Heat sink fan...................................................................................................................................................................... 46
Removing heat sink fan..............................................................................................................................................46
Installing heatsink fan................................................................................................................................................. 47
Coin cell battery.................................................................................................................................................................48
Removing coin cell battery........................................................................................................................................48
Installing coin cell battery.......................................................................................................................................... 49
Heat sink ............................................................................................................................................................................ 50
Removing heatsink assembly....................................................................................................................................50
Installing heatsink assembly.......................................................................................................................................51
Processor............................................................................................................................................................................ 52
Removing processor................................................................................................................................................... 52
Installing processor..................................................................................................................................................... 53
System fan.......................................................................................................................................................................... 54
Removing system fan................................................................................................................................................. 54
Installing system fan................................................................................................................................................... 55
Optional VGA module....................................................................................................................................................... 56
Removing optional VGA module.............................................................................................................................. 56
Installing optional VGA module.................................................................................................................................57
System board..................................................................................................................................................................... 58
Removing system board............................................................................................................................................ 58
Installing the system board........................................................................................................................................ 61
Chapter 3: Drivers and downloads............................................................................................... 64
Chapter 4: System setup............................................................................................................. 65
Boot Sequence.................................................................................................................................................................. 65
Navigation keys................................................................................................................................................................. 65
Boot Sequence...................................................................................................................................................................66
System Setup options...................................................................................................................................................... 66
Updating the BIOS............................................................................................................................................................ 73
Updating the BIOS in Windows................................................................................................................................ 73
Updating the BIOS in Linux and Ubuntu................................................................................................................ 74
Updating the BIOS using the USB drive in Windows..........................................................................................74
Updating the BIOS from the F12 One-Time boot menu.....................................................................................74
System and setup password...........................................................................................................................................75
Assigning a system setup password....................................................................................................................... 75
Contents 3