Dell Precision 3520 - Default Chapter; Table of Contents

Chapter 1: Working on your computer........................................................................................... 8
Safety instructions.............................................................................................................................................................. 8
Before working inside your computer.............................................................................................................................8
Turning off your — Windows........................................................................................................................................... 9
After working inside your computer................................................................................................................................9
Chapter 2: Disassembly and reassembly.......................................................................................10
Recommended tools..........................................................................................................................................................10
Subscriber Identity Module(SIM) board....................................................................................................................... 10
Installing the Subscriber Identification Module card........................................................................................... 10
Removing the Subscriber Identification Module card.......................................................................................... 11
Base cover............................................................................................................................................................................11
Removing the base cover........................................................................................................................................... 11
Installing the base cover.............................................................................................................................................12
Battery.................................................................................................................................................................................. 13
Lithium-ion battery precautions............................................................................................................................... 13
Removing the battery................................................................................................................................................. 13
Installing the battery....................................................................................................................................................14
Solid State Drive ............................................................................................................................................................... 14
Removing the M.2 Solid State Drive - SSD........................................................................................................... 14
Installing the M.2 Solid State Drive - SSD............................................................................................................. 15
Hard drive............................................................................................................................................................................ 15
Removing hard drive assembly................................................................................................................................. 15
Installing the hard drive assembly............................................................................................................................ 16
Coin-cell battery.................................................................................................................................................................16
Removing the coin cell battery................................................................................................................................. 16
Installing the coin cell battery....................................................................................................................................17
WLAN card...........................................................................................................................................................................17
Removing the WLAN card..........................................................................................................................................17
Installing the WLAN card............................................................................................................................................18
WWAN card.........................................................................................................................................................................19
Removing the WWAN card........................................................................................................................................19
Installing the WWAN card.......................................................................................................................................... 19
Memory modules............................................................................................................................................................... 20
Removing the memory module.................................................................................................................................20
Installing the memory module...................................................................................................................................20
Keyboard lattice and Keyboard.......................................................................................................................................21
Removing the keyboard trim..................................................................................................................................... 21
Removing the keyboard.............................................................................................................................................. 21
Installing the keyboard............................................................................................................................................... 24
Installing the keyboard shroud................................................................................................................................. 24
Heat sink .............................................................................................................................................................................24
Removing the heat sink assembly........................................................................................................................... 24
Installing the heat sink assembly ............................................................................................................................ 26
Contents
Contents 3