Dell OptiPlex 5490 - Default Chapter; Table of Contents

Chapter 1: Safety instructions.......................................................................................................6
Before working inside your computer.............................................................................................................................6
Before you begin ...........................................................................................................................................................7
Safety precautions.............................................................................................................................................................. 7
Electrostatic discharge—ESD protection......................................................................................................................7
ESD field service kit ...........................................................................................................................................................8
Transporting sensitive components................................................................................................................................ 9
After working inside your computer................................................................................................................................9
Chapter 2: Removing and installing components.......................................................................... 10
Recommended tools..........................................................................................................................................................10
Screw list............................................................................................................................................................................. 10
Major components of your computer............................................................................................................................13
Stand..................................................................................................................................................................................... 14
Removing the fixed stand.......................................................................................................................................... 14
Installing the fixed stand............................................................................................................................................ 15
Removing the height adjustable stand....................................................................................................................15
Installing the height adjustable stand......................................................................................................................16
Cable cover—optional...................................................................................................................................................... 17
Removing the cable cover..........................................................................................................................................17
Installing the cable cover............................................................................................................................................19
Back cover.......................................................................................................................................................................... 20
Removing the back cover..........................................................................................................................................20
Installing the back cover............................................................................................................................................22
Hard drive............................................................................................................................................................................24
Removing the hard drive........................................................................................................................................... 24
Installing the hard drive..............................................................................................................................................25
Memory modules............................................................................................................................................................... 26
Removing the memory modules...............................................................................................................................26
Installing the memory modules................................................................................................................................. 27
System-board shield......................................................................................................................................................... 28
Removing the system-board shield.........................................................................................................................28
Installing the system-board shield...........................................................................................................................28
Solid-state drive................................................................................................................................................................ 29
Removing the M.2 2230 solid-state drive............................................................................................................. 29
Installing the M.2 2230 solid-state drive............................................................................................................... 30
Removing the M.2 2280 solid-state drive..............................................................................................................31
Installing the M.2 2280 solid-state drive............................................................................................................... 32
System fan.......................................................................................................................................................................... 33
Removing the system fan..........................................................................................................................................33
Installing the system fan............................................................................................................................................34
Coin-cell battery................................................................................................................................................................35
Removing the coin-cell battery................................................................................................................................35
Installing the coin-cell battery..................................................................................................................................36
Contents
Contents 3