Removing the front-chassis fan.............................................................................................................................. 35
Installing the front-chassis fan.................................................................................................................................36
Power-supply unit............................................................................................................................................................. 37
Removing the power-supply unit............................................................................................................................. 37
Installing the power-supply unit...............................................................................................................................39
Processor fan and heat-sink assembly.........................................................................................................................42
Removing the processor fan and heat-sink assembly (65 W, air cooling).................................................... 42
Installing the processor fan and heat-sink assembly (65 W, air cooling)...................................................... 44
Removing the processor fan and heat-sink assembly (125 W, air cooling)...................................................46
Installing the processor fan and heat-sink assembly (125 W, air cooling).....................................................48
Removing the processor fan and heat-sink assembly (125 W, liquid cooler)............................................... 49
Installing the processor fan and heat-sink assembly (125 W, liquid cooler).................................................. 51
Voltage-regulator heat sink............................................................................................................................................ 52
Removing the voltage-regulator heat sink............................................................................................................ 52
Installing the voltage-regulator heat sink.............................................................................................................. 53
Processor............................................................................................................................................................................ 54
Removing the processor............................................................................................................................................54
Installing the processor.............................................................................................................................................. 54
System board..................................................................................................................................................................... 55
Removing the system board.....................................................................................................................................55
Installing the system board....................................................................................................................................... 59
Chapter 3: Drivers and downloads............................................................................................... 63
Chapter 4: System setup............................................................................................................. 64
Entering BIOS setup program........................................................................................................................................ 64
Navigation keys..................................................................................................................................................................64
Boot Sequence...................................................................................................................................................................64
One time boot menu.........................................................................................................................................................65
System setup options.......................................................................................................................................................65
System and setup password............................................................................................................................................71
Assigning a system setup password........................................................................................................................ 71
Deleting or changing an existing system setup password..................................................................................71
Real Time Clock (RTC) reset.................................................................................................................................... 72
Clearing BIOS (System Setup) and System passwords.....................................................................................73
Updating the BIOS............................................................................................................................................................ 73
Updating the BIOS in Windows................................................................................................................................ 73
Updating the BIOS using the USB drive in Windows..........................................................................................73
Updating the BIOS in Linux and Ubuntu................................................................................................................ 73
Updating the BIOS from the F12 One-Time boot menu.....................................................................................74
Chapter 5: Troubleshooting......................................................................................................... 75
Locate the Service Tag or Express Service Code of your Dell computer ..............................................75
SupportAssist diagnostics............................................................................................................................................... 75
System-diagnostic lights................................................................................................................................................. 75
Recovering the operating system..................................................................................................................................76
WiFi power cycle................................................................................................................................................................77
Drain residual flea power (perform hard reset)..........................................................................................................77
4
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