Dell Inspiron 3910 - Page 4

Installing the coin-cell battery.................................................................................................................................. 34
Antenna modules............................................................................................................................................................... 34
Removing the antenna modules...............................................................................................................................34
Installing the antenna modules.................................................................................................................................36
Media-card reader.............................................................................................................................................................37
Removing the media-card reader............................................................................................................................ 37
Installing the media-card reader.............................................................................................................................. 38
Power-supply unit............................................................................................................................................................. 39
Removing the power-supply unit.............................................................................................................................39
Installing the power-supply unit................................................................................................................................41
Fan shroud.......................................................................................................................................................................... 42
Removing the fan shroud.......................................................................................................................................... 42
Installing the fan shroud............................................................................................................................................ 43
Processor fan and heat-sink assembly.........................................................................................................................44
Removing the processor fan and heat-sink assembly........................................................................................ 44
Installing the processor fan and heat-sink assembly.......................................................................................... 45
Processor............................................................................................................................................................................ 46
Removing the processor............................................................................................................................................46
Installing the processor.............................................................................................................................................. 47
System board..................................................................................................................................................................... 48
Removing the system board..................................................................................................................................... 48
Installing the system board........................................................................................................................................ 51
Chapter 3: Drivers and downloads............................................................................................... 56
Chapter 4: System setup............................................................................................................. 57
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............................................................................................................................................................ 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
Chapter 5: Troubleshooting......................................................................................................... 72
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