Dell Inspiron 3891 - 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 ........................................................................................................................................................... 6
Transporting sensitive components................................................................................................................................ 7
After working inside your computer................................................................................................................................8
Chapter 2: Removing and installing components........................................................................... 9
Recommended tools........................................................................................................................................................... 9
Screw list............................................................................................................................................................................... 9
System-board components........................................................................................................................................ 11
Left-side cover................................................................................................................................................................... 12
Removing the left-side cover....................................................................................................................................12
Installing the left-side cover...................................................................................................................................... 13
Front cover.......................................................................................................................................................................... 13
Removing the front cover..........................................................................................................................................13
Installing the front cover............................................................................................................................................ 14
Fan shroud........................................................................................................................................................................... 15
Removing the fan shroud........................................................................................................................................... 15
Installing the fan shroud............................................................................................................................................. 16
Memory modules................................................................................................................................................................ 17
Removing the memory modules................................................................................................................................17
Installing the memory modules..................................................................................................................................18
Solid-state drive................................................................................................................................................................. 19
Removing the solid-state drive/Intel Optane........................................................................................................19
Installing the solid-state drive/Intel Optane......................................................................................................... 20
Coin-cell battery................................................................................................................................................................ 22
Removing the coin-cell battery................................................................................................................................22
Installing the coin-cell battery.................................................................................................................................. 22
Wireless card...................................................................................................................................................................... 23
Removing the wireless card...................................................................................................................................... 23
Installing the wireless card........................................................................................................................................ 24
Antenna modules............................................................................................................................................................... 26
Removing the antenna modules...............................................................................................................................26
Installing the antenna modules................................................................................................................................. 27
Graphics card..................................................................................................................................................................... 28
Removing the graphics card..................................................................................................................................... 28
Installing the graphics card....................................................................................................................................... 29
Serial and parallel ports expansion card....................................................................................................................... 31
Removing the serial and parallel ports expansion card....................................................................................... 31
Installing the serial and parallel ports expansion card.........................................................................................32
Power-supply unit............................................................................................................................................................. 34
Removing the power-supply unit.............................................................................................................................34
Contents
Contents 3