Dell Inspiron 14 7420 2-in-1 - default chapter; Table of Contents

Chapter 1: Working inside your computer...................................................................................... 5
Before working inside your computer.............................................................................................................................5
Safety instructions.............................................................................................................................................................. 5
Electrostatic discharge—ESD protection..................................................................................................................... 6
ESD field service kit ........................................................................................................................................................... 7
Transporting sensitive components................................................................................................................................ 8
After working inside your computer................................................................................................................................8
Chapter 2: Removing and installing components........................................................................... 9
Recommended tools........................................................................................................................................................... 9
Screw list............................................................................................................................................................................... 9
Major components of Inspiron 7420 2-in-1..................................................................................................................10
Base cover........................................................................................................................................................................... 12
Removing the base cover...........................................................................................................................................12
Installing the base cover.............................................................................................................................................14
Battery..................................................................................................................................................................................16
Lithium-ion battery precautions............................................................................................................................... 16
Removing the 3-cell battery (41 Wh)...................................................................................................................... 17
Installing the 3-cell battery (41 Wh)........................................................................................................................ 18
Removing the 4-cell battery (54 Wh)..................................................................................................................... 18
Installing the 4-cell battery (54 Wh)....................................................................................................................... 19
Coin-cell battery................................................................................................................................................................20
Removing the coin-cell battery................................................................................................................................20
Installing the coin-cell battery...................................................................................................................................21
Memory................................................................................................................................................................................22
Removing the memory............................................................................................................................................... 22
Installing the memory................................................................................................................................................. 23
Wireless card...................................................................................................................................................................... 25
Removing the wireless card......................................................................................................................................25
Installing the wireless card........................................................................................................................................ 25
Solid-state drive.................................................................................................................................................................27
Removing the M.2 2230 solid-state drive............................................................................................................. 27
Installing the M.2 2230 solid-state drive............................................................................................................... 28
Removing the M.2 2280 solid-state drive............................................................................................................. 29
Installing the M.2 2280 solid-state drive............................................................................................................... 30
Speakers...............................................................................................................................................................................31
Removing the speakers...............................................................................................................................................31
Installing the speakers................................................................................................................................................ 32
Heat sink..............................................................................................................................................................................33
Removing the heat sink without discrete graphics............................................................................................. 33
Installing the heat sink without discrete graphics............................................................................................... 34
Removing the heat sink with discrete graphics................................................................................................... 35
Installing the heat sink with discrete graphics..................................................................................................... 36
Display assembly................................................................................................................................................................ 37
Contents
Contents 3