Service mode.................................................................................................................................................................. 6
Before working inside your computer....................................................................................................................... 8
Safety precautions........................................................................................................................................................ 9
Electrostatic discharge—ESD protection............................................................................................................... 9
ESD field service kit ................................................................................................................................................... 10
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
Removing the SIM card tray......................................................................................................................................16
Installing the SIM card tray........................................................................................................................................ 17
Removing the base cover...........................................................................................................................................17
Installing the base cover.............................................................................................................................................19
Removing the solid-state drive................................................................................................................................ 20
Installing the solid-state drive................................................................................................................................... 21
Removing the WWAN card....................................................................................................................................... 22
Installing the WWAN card......................................................................................................................................... 24
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
Removing the heatsink assembly............................................................................................................................ 30
Installing the heatsink assembly............................................................................................................................... 31
Removing the speaker board.................................................................................................................................... 32
Installing the speaker board...................................................................................................................................... 33
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
Summary of Contents for Latitude 7520
Page 14: ...Major components of your system 1 Base cover 14 Removing and installing components ...
Page 18: ...About this task 18 Removing and installing components ...
Page 37: ...Figure 2 Display assembly with WLAN antenna Removing and installing components 37 ...
Page 38: ...Figure 3 Display assembly with WLAN and WWAN antenna 38 Removing and installing components ...
Page 43: ...Removing and installing components 43 ...
Page 61: ...Removing and installing components 61 ...