Dell Inspiron 16 5625 Service Manual page 4

Installing the display assembly..................................................................................................................................39
I/O board.............................................................................................................................................................................40
Removing the I/O board............................................................................................................................................40
Installing the I/O board............................................................................................................................................... 41
Touchpad.............................................................................................................................................................................42
Removing the touchpad.............................................................................................................................................42
Installing the touchpad............................................................................................................................................... 42
Speakers.............................................................................................................................................................................. 43
Removing the speakers..............................................................................................................................................43
Installing the speakers................................................................................................................................................ 44
System board..................................................................................................................................................................... 46
Removing the system board..................................................................................................................................... 46
Installing the system board....................................................................................................................................... 48
Power-button board.........................................................................................................................................................50
Removing the power-button board........................................................................................................................ 50
Installing the power-button board........................................................................................................................... 51
Power button with optional fingerprint reader.......................................................................................................... 52
Removing the power button with optional fingerprint reader..........................................................................52
Installing the power button with optional fingerprint reader............................................................................ 52
Power-adapter port.......................................................................................................................................................... 53
Removing the power-adapter port......................................................................................................................... 53
Installing the power-adapter port............................................................................................................................54
Palm-rest and keyboard assembly................................................................................................................................ 55
Removing the palm-rest and keyboard assembly................................................................................................55
Installing the palm-rest and keyboard assembly.................................................................................................. 56
Chapter 3: Drivers and downloads............................................................................................... 58
Chapter 4: BIOS setup.................................................................................................................59
BIOS overview................................................................................................................................................................... 59
Entering BIOS setup program........................................................................................................................................ 59
Navigation keys................................................................................................................................................................. 59
One time boot menu.........................................................................................................................................................60
System setup options.......................................................................................................................................................60
System and setup password.......................................................................................................................................... 65
Assigning a system setup password....................................................................................................................... 65
Deleting or changing an existing system setup password.................................................................................66
Clearing CMOS settings............................................................................................................................................ 66
Clearing BIOS (System Setup) and System passwords.................................................................................... 66
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 | On-board Diagnostics..........................................................................................................................71
4 Contents