Dell Inspiron 14 3420 - default chapter; Table of Contents

Chapter 1: Working inside your computer...................................................................................... 5
Safety instructions.............................................................................................................................................................. 5
Before working inside your computer.......................................................................................................................5
Safety precautions........................................................................................................................................................ 6
Electrostatic discharge—ESD protection............................................................................................................... 6
ESD field service kit ..................................................................................................................................................... 7
Transporting sensitive components.......................................................................................................................... 8
After working inside your computer..........................................................................................................................8
BitLocker..........................................................................................................................................................................8
Chapter 2: Removing and installing components........................................................................... 9
Base cover.............................................................................................................................................................................9
Removing the base cover............................................................................................................................................ 9
Installing the base cover.............................................................................................................................................12
M.2 solid-state drive......................................................................................................................................................... 15
Removing the M.2 2230 solid-state drive..............................................................................................................15
Installing the M.2 2230 solid-state drive................................................................................................................16
Removing the M.2 2280 solid-state drive.............................................................................................................. 17
Installing the M.2 2280 solid-state drive................................................................................................................ 17
Battery..................................................................................................................................................................................18
Lithium-ion battery precautions............................................................................................................................... 18
Removing the battery ................................................................................................................................................ 19
Installing the battery ..................................................................................................................................................20
Display assembly................................................................................................................................................................20
Removing the display assembly............................................................................................................................... 20
Installing the display assembly..................................................................................................................................23
Heat sink..............................................................................................................................................................................26
Removing the heat sink............................................................................................................................................. 26
Installing the heat sink................................................................................................................................................26
Speakers.............................................................................................................................................................................. 27
Removing the speakers.............................................................................................................................................. 27
Installing the speakers................................................................................................................................................ 28
Touchpad assembly.......................................................................................................................................................... 29
Removing the touchpad assembly.......................................................................................................................... 29
Installing the touchpad assembly.............................................................................................................................30
I/O board..............................................................................................................................................................................31
Removing the I/O board.............................................................................................................................................31
Installing the I/O board.............................................................................................................................................. 32
I/O board cable..................................................................................................................................................................33
Removing the I/O board cable.................................................................................................................................33
Installing the I/O board cable................................................................................................................................... 34
Power button..................................................................................................................................................................... 35
Removing the power button ....................................................................................................................................35
Installing the power button....................................................................................................................................... 36
Contents
Contents 3