Dell OptiPlex 3090 - 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
Side cover.............................................................................................................................................................................11
Removing the side cover.............................................................................................................................................11
Installing the side cover.............................................................................................................................................. 12
Front bezel...........................................................................................................................................................................14
Removing the front bezel...........................................................................................................................................14
Installing the front bezel.............................................................................................................................................14
Fan shroud...........................................................................................................................................................................15
Removing the fan duct............................................................................................................................................... 15
Installing the fan duct................................................................................................................................................. 16
2.5-inch hard-drive assembly.......................................................................................................................................... 17
Removing the 2.5-inch hard-drive assembly......................................................................................................... 17
Removing the 2.5-inch hard-drive bracket............................................................................................................18
Installing the 2.5-inch hard-drive bracket..............................................................................................................19
Installing the 2.5-inch hard-drive assembly.......................................................................................................... 20
3.5-inch hard drive............................................................................................................................................................22
Removing the 3.5-inch hard drive...........................................................................................................................22
Installing the 3.5-inch hard-disk drive.................................................................................................................... 22
Solid-state drive................................................................................................................................................................ 23
Removing the M.2 2230 PCIe solid-state drive................................................................................................... 23
Installing the M.2 2230 PCIe solid-state drive..................................................................................................... 24
Removing the M.2 2280 PCIe solid-state drive...................................................................................................25
Installing the M.2 2280 PCIe solid-state drive..................................................................................................... 26
Memory modules............................................................................................................................................................... 27
Removing the memory modules............................................................................................................................... 27
Installing the memory modules.................................................................................................................................28
Processor fan and heat-sink assembly.........................................................................................................................29
Removing the processor fan and heat-sink assembly........................................................................................ 29
Installing the processor fan and heat-sink assembly.......................................................................................... 30
Processor............................................................................................................................................................................. 31
Removing the processor.............................................................................................................................................31
Installing the processor.............................................................................................................................................. 32
Graphics card..................................................................................................................................................................... 34
Contents
Contents 3