Table Of Contents - Dell ChengMing 3900 Tower Service Manual

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 3900 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

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