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Chapter 1: Working on 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

After working inside your computer........................................................................................................................ 10

Chapter 2: Technology and components....................................................................................... 11

USB features........................................................................................................................................................................11

USB Type-C.........................................................................................................................................................................13

HDMI 1.4............................................................................................................................................................................... 14

Power button LED behavior............................................................................................................................................ 15

Chapter 3: Major components of your system.............................................................................. 17

Chapter 4: Disassembly and reassembly...................................................................................... 20

MicroSD card..................................................................................................................................................................... 20

Removing the microSD card..................................................................................................................................... 20

Installing the microSD card........................................................................................................................................ 21

Base cover.......................................................................................................................................................................... 22

Removing the base cover.......................................................................................................................................... 22

Installing the base cover............................................................................................................................................ 25

Battery................................................................................................................................................................................. 28

Lithium-ion battery precautions...............................................................................................................................28

Removing the battery.................................................................................................................................................29

Installing the battery...................................................................................................................................................30

WWAN card........................................................................................................................................................................ 32

Removing the WWAN card....................................................................................................................................... 32

Installing the WWAN card......................................................................................................................................... 33

WLAN card..........................................................................................................................................................................33

Removing the WLAN card.........................................................................................................................................33

Installing the WLAN card........................................................................................................................................... 34

Coin-cell battery................................................................................................................................................................35

Removing the coin-cell battery................................................................................................................................35

Installing the coin-cell battery.................................................................................................................................. 36

Memory modules............................................................................................................................................................... 37

Removing the memory module.................................................................................................................................37

Installing the memory module...................................................................................................................................38

Hard drive............................................................................................................................................................................39

Removing the hard drive assembly......................................................................................................................... 39

Installing the hard drive assembly........................................................................................................................... 40

DC-in port........................................................................................................................................................................... 40

Removing the DC-in port.......................................................................................................................................... 40

Contents

Contents 3