Service Manual

Chapter 1: Working inside your computer...................................................................................... 7
Safety instructions.............................................................................................................................................................. 7
Before working inside your computer....................................................................................................................... 7
Safety precautions........................................................................................................................................................ 8
Electrostatic discharge—ESD protection............................................................................................................... 8
ESD field service kit ..................................................................................................................................................... 9
Transporting sensitive components.........................................................................................................................10
After working inside your computer........................................................................................................................ 10
BitLocker........................................................................................................................................................................ 10
Chapter 2: Removing and installing components...........................................................................11
Recommended tools...........................................................................................................................................................11
Screw list.............................................................................................................................................................................. 11
Major components of Latitude 5531............................................................................................................................. 12
SIM card............................................................................................................................................................................... 14
Removing the SIM card.............................................................................................................................................. 14
Installing the SIM card................................................................................................................................................ 15
Micro Secure Digital (SD) Card...................................................................................................................................... 17
Removing the microSD card...................................................................................................................................... 17
Installing the microSD card........................................................................................................................................ 17
Base cover........................................................................................................................................................................... 18
Removing the base cover...........................................................................................................................................18
Installing the base cover.............................................................................................................................................21
Wireless card...................................................................................................................................................................... 23
Removing the wireless card...................................................................................................................................... 23
Installing the wireless card........................................................................................................................................ 25
Wireless Wide Area Network (WWAN) Card............................................................................................................. 26
Removing the WWAN card....................................................................................................................................... 26
Installing the WWAN card..........................................................................................................................................27
Solid-state drives.............................................................................................................................................................. 29
Removing the 2230 solid-state drive—SSD1 slot............................................................................................... 29
Installing the 2230 solid-state drive—SSD1 slot................................................................................................. 30
Removing the 2280 solid-state drive—SSD1 slot................................................................................................31
Installing the 2280 solid-state drive—SSD1 slot................................................................................................. 32
Removing the 2230 solid-state drive—SSD2 slot.............................................................................................. 33
Installing the 2230 solid-state drive—SSD2 slot.................................................................................................34
Removing the 2280 solid-state drive—SSD2 slot.............................................................................................. 35
Installing the 2280 solid-state drive—SSD2 slot................................................................................................ 36
Memory................................................................................................................................................................................ 37
Removing the memory modules............................................................................................................................... 37
Installing the memory module...................................................................................................................................38
Dummy hard-drive filler................................................................................................................................................... 39
Removing the dummy hard-drive filler................................................................................................................... 39
Installing the dummy hard-drive filler..................................................................................................................... 40
Contents
Contents 3