Dell Inspiron 3881 - Page 4

Installing the optical drive............................................................................................................................................. 33
Media-card reader...............................................................................................................................................................35
Removing the media-card reader................................................................................................................................35
Installing the media-card reader.................................................................................................................................. 36
Fan shroud............................................................................................................................................................................37
Removing the fan shroud............................................................................................................................................. 37
Installing the fan shroud................................................................................................................................................38
Fan and heat-sink assembly............................................................................................................................................... 38
Removing the fan and heat-sink assembly.................................................................................................................39
Installing the fan and heat-sink assembly...................................................................................................................40
Processor.............................................................................................................................................................................. 41
Removing the processor................................................................................................................................................41
Installing the processor................................................................................................................................................. 42
System board....................................................................................................................................................................... 43
Removing the system board........................................................................................................................................ 43
Installing the system board...........................................................................................................................................47
3 Drivers and downloads................................................................................................................50
4 System setup............................................................................................................................. 51
BIOS overview......................................................................................................................................................................51
Entering BIOS setup program............................................................................................................................................ 51
Navigation keys.................................................................................................................................................................... 51
Boot Sequence..................................................................................................................................................................... 51
System setup options......................................................................................................................................................... 52
Flashing the BIOS................................................................................................................................................................56
System and setup password..............................................................................................................................................56
Assigning a system setup password............................................................................................................................57
Deleting or changing an existing system setup password........................................................................................57
Clearing CMOS settings/RTC reset........................................................................................................................... 58
Clearing BIOS (System Setup) and System passwords...........................................................................................58
5 Troubleshooting.........................................................................................................................59
Real-Time Clock (RTC Reset)........................................................................................................................................... 59
System diagnostic lights.....................................................................................................................................................59
Diagnostic error messages................................................................................................................................................. 60
System error messages...................................................................................................................................................... 62
Recovering the operating system..................................................................................................................................... 63
Flashing BIOS (USB key)....................................................................................................................................................63
Flashing the BIOS................................................................................................................................................................ 63
WiFi power cycle................................................................................................................................................................. 64
6 Getting help...............................................................................................................................65
Contacting Dell.................................................................................................................................................................... 65
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