Before working inside your computer............................................................................................................................. 7

Safety precautions.............................................................................................................................................................. 7

Electrostatic discharge-ESD protection..................................................................................................................... 8

ESD field service kit ........................................................................................................................................................... 8

After working inside your computer................................................................................................................................9

Chapter 2: Major components of your computer.......................................................................... 10

Chapter 3: Removing and installing components.......................................................................... 13

Recommended tools..........................................................................................................................................................13

Screw list..............................................................................................................................................................................13

Subscriber Identity Module (SIM) card........................................................................................................................ 15

Removing the SIM card.............................................................................................................................................. 15

Installing the SIM card................................................................................................................................................ 16

Micro Secure Digital (SD) Card...................................................................................................................................... 17

Removing the microSD card...................................................................................................................................... 17

Installing the microSD card........................................................................................................................................ 18

Base cover........................................................................................................................................................................... 19

Removing the base cover...........................................................................................................................................19

Installing the base cover.............................................................................................................................................21

WLAN card..........................................................................................................................................................................23

Removing the WLAN card.........................................................................................................................................23

Installing the WLAN card........................................................................................................................................... 24

WWAN card........................................................................................................................................................................ 26

Removing the WWAN card....................................................................................................................................... 26

Installing the WWAN card..........................................................................................................................................27

Solid-state drive................................................................................................................................................................ 28

Removing the M.2 2280 solid-state drive............................................................................................................. 28

Installing the M.2 2280 solid-state drive............................................................................................................... 29

Removing the M.2 2230 solid-state drive............................................................................................................. 29

Installing the M.2 2230 solid-state drive............................................................................................................... 30

Memory modules................................................................................................................................................................ 31

Removing the memory modules............................................................................................................................... 31

Installing the memory modules................................................................................................................................. 32

Battery................................................................................................................................................................................. 32

Lithium-ion battery precautions...............................................................................................................................32

Removing the 3-cell battery..................................................................................................................................... 33

Installing the 3-cell battery....................................................................................................................................... 34

Removing the 4-cell battery..................................................................................................................................... 35

Installing the 4-cell battery....................................................................................................................................... 35

Battery cable...................................................................................................................................................................... 36

Removing the battery cable......................................................................................................................................36

Installing the battery cable........................................................................................................................................ 37

Contents