Dell ChengMing 3901 Tower - default chapter; Table of Contents

Chapter 1: Working inside your computer...................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Before working inside your computer.......................................................................................................................6
Safety precautions.........................................................................................................................................................7
Electrostatic discharge—ESD protection................................................................................................................7
ESD field service kit ..................................................................................................................................................... 8
Transporting sensitive components.......................................................................................................................... 9
After working inside your computer..........................................................................................................................9
BitLocker..........................................................................................................................................................................9
Chapter 2: Removing and installing components.......................................................................... 10
Recommended tools..........................................................................................................................................................10
Screw list............................................................................................................................................................................. 10
Major components of ChengMing 3901 Tower .......................................................................................................... 11
Cover.....................................................................................................................................................................................12
Removing the side cover............................................................................................................................................12
Installing the side cover.............................................................................................................................................. 13
Front Bezel.......................................................................................................................................................................... 15
Removing the front bezel...........................................................................................................................................15
Installing the front bezel.............................................................................................................................................15
Memory modules................................................................................................................................................................16
Removing the memory module................................................................................................................................. 16
Installing the memory module....................................................................................................................................17
M.2 SSD card...................................................................................................................................................................... 18
Removing the M.2 2230 solid-state drive..............................................................................................................18
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 ...............................................................................................................21
Coin-cell battery................................................................................................................................................................ 22
Removing the coin-cell battery................................................................................................................................22
Installing the coin-cell battery.................................................................................................................................. 23
WLAN module.....................................................................................................................................................................24
Removing the wireless card...................................................................................................................................... 24
Installing the wireless card........................................................................................................................................ 25
Power supply unit..............................................................................................................................................................26
Removing the power-supply unit.............................................................................................................................26
Installing the power-supply unit............................................................................................................................... 27
Hard drive............................................................................................................................................................................29
2.5 inch hard drive ..................................................................................................................................................... 29
3.5 inch hard drive ..................................................................................................................................................... 33
Optical drive....................................................................................................................................................................... 35
Removing the optical drive....................................................................................................................................... 35
Installing the optical drive..........................................................................................................................................35
Slim optical-drive bracket............................................................................................................................................... 36
Contents
Contents 3