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
Transporting sensitive components.........................................................................................................................10
After working inside your computer........................................................................................................................ 10
Chapter 2: Technology and components....................................................................................... 11
DDR4......................................................................................................................................................................................11
USB features.......................................................................................................................................................................12
USB Type-C.........................................................................................................................................................................14
HDMI 1.4...............................................................................................................................................................................15
USB features.......................................................................................................................................................................16
Power button LED behavior............................................................................................................................................ 18
Chapter 3: Major components of your system..............................................................................20
Chapter 4: Disassembly and reassembly ..................................................................................... 22
Base cover.......................................................................................................................................................................... 22
Removing the base cover..........................................................................................................................................22
Installing the base cover............................................................................................................................................ 24
Battery................................................................................................................................................................................. 26
Lithium-ion battery precautions...............................................................................................................................26
Removing the battery.................................................................................................................................................26
Installing the battery................................................................................................................................................... 27
Memory modules............................................................................................................................................................... 28
Removing the memory modules...............................................................................................................................28
Installing the memory modules.................................................................................................................................29
WLAN card..........................................................................................................................................................................30
Removing the WLAN card.........................................................................................................................................30
Installing the WLAN card............................................................................................................................................31
WWAN card........................................................................................................................................................................ 32
Removing the WWAN.................................................................................................................................................32
Installing the WWAN...................................................................................................................................................33
Hard-drive assembly......................................................................................................................................................... 34
Removing the Hard drive...........................................................................................................................................34
Installing the Hard drive.............................................................................................................................................35
Coin-cell battery................................................................................................................................................................ 36
Removing the Coin-cell..............................................................................................................................................36
Installing the Coin-cell................................................................................................................................................ 37
DC-in port........................................................................................................................................................................... 38
Removing the DC-in....................................................................................................................................................38
Contents
Contents 3