Dell OptiPlex 5090 Small Form Factor - 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
Chapter 2: Removing and installing components.......................................................................... 10
Recommended tools..........................................................................................................................................................10
Screw List............................................................................................................................................................................ 10
Major components of your system................................................................................................................................. 11
Side cover............................................................................................................................................................................ 12
Removing the side cover............................................................................................................................................ 12
Installing the side cover.............................................................................................................................................. 14
Intrusion switch.................................................................................................................................................................. 15
Removing the intrusion switch................................................................................................................................. 15
Installing the intrusion switch....................................................................................................................................15
Front bezel...........................................................................................................................................................................16
Removing the front bezel...........................................................................................................................................16
Installing the front bezel............................................................................................................................................. 17
Hard drive............................................................................................................................................................................ 19
Removing the 2.5/3.5-inch hard-drive caddy.......................................................................................................19
Removing the 2.5-inch hard-drive.......................................................................................................................... 20
Installing the 2.5/3.5-inch hard-drive caddy.........................................................................................................21
Installing the 2.5-inch hard-drive.............................................................................................................................22
Solid-state drive................................................................................................................................................................ 23
Removing the M.2 2230 solid-state drive............................................................................................................. 23
Installing the M.2 2230 solid-state drive............................................................................................................... 24
Removing the M.2 2280 solid-state drive............................................................................................................. 25
Installing the M.2 2280 solid-state drive............................................................................................................... 26
Optical drive........................................................................................................................................................................27
Removing the hard-drive and optical-drive bracket........................................................................................... 27
Installing the hard-drive and optical-drive bracket............................................................................................. 29
Removing the slim optical-drive............................................................................................................................... 31
Installing the slim optical-drive.................................................................................................................................32
SD-card reader...................................................................................................................................................................33
Removing the SD-card reader..................................................................................................................................33
Installing the SD-card reader....................................................................................................................................34
WLAN card..........................................................................................................................................................................35
Removing the WLAN card.........................................................................................................................................35
Installing the WLAN card........................................................................................................................................... 36
Fan and heat-sink assembly............................................................................................................................................38
Contents
Contents 3