Dell P157G003 - default chapter; Table of Contents

Chapter 1: Working inside your computer...................................................................................... 5
Safety instructions.............................................................................................................................................................. 5
Before working inside your computer.......................................................................................................................5
After working inside your computer................................................................................................................................8
Chapter 2: Removing and installing components........................................................................... 9
Recommended tools........................................................................................................................................................... 9
Major components of Inspiron 14 Plus 7420................................................................................................................. 9
Screw list.............................................................................................................................................................................. 11
Base cover........................................................................................................................................................................... 12
Removing the base cover...........................................................................................................................................12
Installing the base cover.............................................................................................................................................14
Battery..................................................................................................................................................................................15
Lithium-ion battery precautions............................................................................................................................... 15
Removing the battery................................................................................................................................................. 16
Installing the battery....................................................................................................................................................17
Solid-state drive................................................................................................................................................................. 17
Removing the M.2 2230 solid-state drive.............................................................................................................. 17
Installing the M.2 2230 solid-state drive................................................................................................................19
Removing the M.2 2280 solid-state drive.............................................................................................................20
Installing the M.2 2280 solid-state drive............................................................................................................... 22
Memory module................................................................................................................................................................. 23
Removing the memory module.................................................................................................................................23
Installing the memory module...................................................................................................................................24
Wireless card...................................................................................................................................................................... 25
Removing the wireless card......................................................................................................................................25
Installing the wireless card........................................................................................................................................ 26
Display assembly................................................................................................................................................................ 27
Removing the display assembly................................................................................................................................27
Installing the display assembly..................................................................................................................................28
Power-adapter port..........................................................................................................................................................30
Removing the power-adapter port......................................................................................................................... 30
Installing the power-adapter port............................................................................................................................ 31
I/O board..............................................................................................................................................................................31
Removing the I/O board.............................................................................................................................................31
Installing the I/O board.............................................................................................................................................. 32
Fans...................................................................................................................................................................................... 33
Removing the left fan.................................................................................................................................................33
Installing the left fan...................................................................................................................................................34
Removing the right fan.............................................................................................................................................. 35
Installing the right fan................................................................................................................................................ 36
Heat sink..............................................................................................................................................................................37
Removing the heat sink ............................................................................................................................................ 37
Installing the heat sink................................................................................................................................................38
Contents
Contents 3