Dell Inspiron 14 5408 Service Manual page 4

Power-adapter port............................................................................................................................................................. 41
Removing the power-adapter port.............................................................................................................................. 41
Installing the power-adapter port.................................................................................................................................41
Display assembly.................................................................................................................................................................. 42
Removing the display assembly................................................................................................................................... 42
Installing the display assembly......................................................................................................................................44
I/O board.............................................................................................................................................................................. 46
Removing the I/O board...............................................................................................................................................46
Installing the I/O board................................................................................................................................................. 47
Touchpad..............................................................................................................................................................................48
Removing the touchpad............................................................................................................................................... 48
Installing the touchpad..................................................................................................................................................49
Speakers................................................................................................................................................................................51
Removing the speakers (in 4-cell battery configuration)..........................................................................................51
Installing the speakers (in 4-cell battery configuration)........................................................................................... 52
Removing the speakers (in 3-cell battery configuration).........................................................................................53
Installing the speakers (in 3-cell battery configuration)........................................................................................... 54
Heat sink...............................................................................................................................................................................56
Removing the heat sink................................................................................................................................................ 56
Installing the heat sink...................................................................................................................................................57
Power button with optional fingerprint reader................................................................................................................ 57
Removing the power button with optional fingerprint reader................................................................................. 58
Installing the power button with optional fingerprint reader................................................................................... 59
System board.......................................................................................................................................................................60
Removing the system board........................................................................................................................................ 60
Installing the system board...........................................................................................................................................62
Palm-rest and keyboard assembly.................................................................................................................................... 65
Removing the palm-rest and keyboard assembly..................................................................................................... 65
Installing the palm-rest and keyboard assembly........................................................................................................ 66
3 Drivers and downloads................................................................................................................ 68
4 System setup.............................................................................................................................69
Entering BIOS setup program............................................................................................................................................69
Navigation keys....................................................................................................................................................................69
One time boot menu........................................................................................................................................................... 70
System setup options......................................................................................................................................................... 70
Updating the BIOS in Windows .........................................................................................................................................77
Updating BIOS on systems with BitLocker enabled..................................................................................................78
Updating your system BIOS using a USB flash drive................................................................................................ 78
Updating the Dell BIOS in Linux and Ubuntu environments...........................................................................................79
Flashing the BIOS from the F12 One-Time boot menu.................................................................................................. 79
System and setup password..............................................................................................................................................82
Assigning a system setup password............................................................................................................................82
Deleting or changing an existing system setup password........................................................................................83
Clearing CMOS settings............................................................................................................................................... 83
Clearing BIOS (System Setup) and System passwords...........................................................................................84
5 Troubleshooting......................................................................................................................... 85
4 Contents