Service Manual

Chapter 1: Working inside your computer...................................................................................... 6
Before working inside your computer.............................................................................................................................6
Safety instructions.............................................................................................................................................................. 6
Electrostatic dischargeESD protection......................................................................................................................7
ESD field service kit ........................................................................................................................................................... 7
Transporting sensitive components................................................................................................................................ 8
After working inside your computer................................................................................................................................9
Chapter 2: Removing and installing components.......................................................................... 10
Recommended tools..........................................................................................................................................................10
Screw list............................................................................................................................................................................. 10
Major components of XPS 8940.....................................................................................................................................11
Left-side cover................................................................................................................................................................... 13
Removing the left-side cover....................................................................................................................................13
Installing the left-side cover...................................................................................................................................... 14
Optical drive (optional).....................................................................................................................................................15
Removing the optical drive........................................................................................................................................ 15
Installing the optical drive...........................................................................................................................................17
Power button...................................................................................................................................................................... 19
Removing the power button......................................................................................................................................19
Installing the power button........................................................................................................................................19
Front cover......................................................................................................................................................................... 20
Removing the front cover......................................................................................................................................... 20
Installing the front cover............................................................................................................................................ 21
2.5-inch hard drive............................................................................................................................................................22
Removing the 2.5-inch hard drive...........................................................................................................................22
Installing the 2.5-inch hard drive............................................................................................................................. 23
3.5-inch hard drive............................................................................................................................................................25
Removing the 3.5-inch hard drive...........................................................................................................................25
Installing the 3.5-inch hard drive............................................................................................................................. 26
Chassis fan.......................................................................................................................................................................... 27
Removing the chassis fan..........................................................................................................................................27
Installing the chassis fan............................................................................................................................................28
Memory modules............................................................................................................................................................... 29
Removing the memory modules...............................................................................................................................29
Installing the memory modules.................................................................................................................................30
Wireless card.......................................................................................................................................................................31
Removing the wireless card.......................................................................................................................................31
Installing the wireless card........................................................................................................................................ 32
Solid-state drive/Intel Optane....................................................................................................................................... 34
Removing the solid-state drive/Intel Optane....................................................................................................... 34
Installing the solid-state drive/Intel Optane......................................................................................................... 34
Graphics card..................................................................................................................................................................... 35
Removing the graphics card..................................................................................................................................... 35
Contents
Contents 3