Dell EMC Latitude 7520 - Default Chapter; Table of Contents

Chapter 1: Working on your computer........................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Service mode.................................................................................................................................................................. 6
Before working inside your computer....................................................................................................................... 8
Safety precautions........................................................................................................................................................ 9
Electrostatic discharge—ESD protection............................................................................................................... 9
ESD field service kit ................................................................................................................................................... 10
Chapter 2: Removing and installing components...........................................................................11
Recommended tools...........................................................................................................................................................11
Screw List.............................................................................................................................................................................11
Major components of your system................................................................................................................................ 14
micro-SD card.....................................................................................................................................................................15
Removing the micro-SD card....................................................................................................................................15
Installing the micro-SD card...................................................................................................................................... 16
SIM card tray...................................................................................................................................................................... 16
Removing the SIM card tray......................................................................................................................................16
Installing the SIM card tray........................................................................................................................................ 17
Base cover........................................................................................................................................................................... 17
Removing the base cover...........................................................................................................................................17
Installing the base cover.............................................................................................................................................19
Solid-state drive................................................................................................................................................................ 20
Removing the solid-state drive................................................................................................................................ 20
Installing the solid-state drive................................................................................................................................... 21
WWAN card........................................................................................................................................................................ 22
Removing the WWAN card....................................................................................................................................... 22
Installing the WWAN card......................................................................................................................................... 24
Battery................................................................................................................................................................................. 25
Lithium-ion battery precautions...............................................................................................................................25
Removing the 3-cell battery..................................................................................................................................... 25
Removing the 4-cell battery..................................................................................................................................... 26
Installing the 3-cell battery....................................................................................................................................... 28
Installing the 4-cell battery....................................................................................................................................... 29
Heatsink assembly.............................................................................................................................................................30
Removing the heatsink assembly............................................................................................................................ 30
Installing the heatsink assembly............................................................................................................................... 31
Speaker board.................................................................................................................................................................... 32
Removing the speaker board.................................................................................................................................... 32
Installing the speaker board...................................................................................................................................... 33
Display assembly................................................................................................................................................................34
Removing the display assembly............................................................................................................................... 34
Removing the display assembly (with WLAN antenna)..................................................................................... 36
Installing the display assembly..................................................................................................................................40
Installing the display assembly (with WLAN antenna)........................................................................................42
Contents
Contents 3