Service Manual

Installing the display assembly..................................................................................................................................39
System board..................................................................................................................................................................... 42
Removing the system board..................................................................................................................................... 42
Installing the system board....................................................................................................................................... 45
LED board............................................................................................................................................................................49
Removing the LED board...........................................................................................................................................49
Installing the LED board.............................................................................................................................................50
Palm-rest and keyboard assembly................................................................................................................................. 51
Removing the palm-rest and keyboard assembly.................................................................................................51
Installing the palm-rest and keyboard assembly.................................................................................................. 52
Chapter 3: Drivers and downloads............................................................................................... 54
Chapter 4: System setup.............................................................................................................55
Entering BIOS setup program........................................................................................................................................ 55
Navigation keys................................................................................................................................................................. 55
Boot Sequence.................................................................................................................................................................. 55
One time boot menu.........................................................................................................................................................56
System setup options.......................................................................................................................................................56
System and setup password.......................................................................................................................................... 65
Assigning a system setup password....................................................................................................................... 66
Deleting or changing an existing system setup password.................................................................................66
Clearing CMOS settings.............................................................................................................................................67
Clearing BIOS (System Setup) and System passwords.....................................................................................67
Updating the BIOS............................................................................................................................................................ 67
Updating the BIOS in Windows................................................................................................................................ 67
Updating the BIOS using the USB drive in Windows..........................................................................................67
Updating the BIOS from the F12 One-Time boot menu.....................................................................................68
Chapter 5: Troubleshooting.........................................................................................................69
Handling swollen Lithium-ion batteries........................................................................................................................ 69
Locate the Service Tag or Express Service Code of your Dell computer ............................................. 69
System diagnostic lights.................................................................................................................................................. 70
SupportAssist diagnostics................................................................................................................................................ 71
Built-in self-test (BIST).................................................................................................................................................... 71
M-BIST............................................................................................................................................................................71
LCD Built-in Self Test (BIST)................................................................................................................................... 72
Recovering the operating system..................................................................................................................................72
WiFi power cycle................................................................................................................................................................72
Drain residual flea power (perform hard reset)......................................................................................................... 73
Backup media and recovery options............................................................................................................................. 73
Real Time Clock—RTC reset..........................................................................................................................................73
Chapter 6: Getting help and contacting Dell................................................................................ 75
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Contents