Chapter 1: Working on your computer........................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Before working inside your computer.......................................................................................................................6
Safety precautions.........................................................................................................................................................7
Electrostatic discharge—ESD protection................................................................................................................7
ESD field service kit ..................................................................................................................................................... 8
Transporting sensitive components.......................................................................................................................... 9
After working inside your computer..........................................................................................................................9
Chapter 2: Technology and components.......................................................................................10
DDR4..................................................................................................................................................................................... 10
USB features........................................................................................................................................................................11
USB Type-C.........................................................................................................................................................................13
HDMI 1.4............................................................................................................................................................................... 14
USB features.......................................................................................................................................................................15
Power button LED behavior............................................................................................................................................ 17
Chapter 3: Major components of your system ............................................................................. 19
Chapter 4: Disassembly and reassembly ...................................................................................... 21
Base cover........................................................................................................................................................................... 21
Removing the base cover...........................................................................................................................................21
Installing the base cover............................................................................................................................................ 23
Battery................................................................................................................................................................................. 25
Rechargeable Li-ion battery precautions...............................................................................................................25
Removing the battery.................................................................................................................................................25
Installing the battery...................................................................................................................................................26
Memory modules............................................................................................................................................................... 27
Removing the memory modules............................................................................................................................... 27
Installing the memory modules................................................................................................................................. 28
WLAN card..........................................................................................................................................................................29
Removing the WLAN card.........................................................................................................................................29
Installing the WLAN card........................................................................................................................................... 30
WWAN card......................................................................................................................................................................... 31
Removing the WWAN................................................................................................................................................. 31
Installing the WWAN...................................................................................................................................................32
Hard-drive assembly......................................................................................................................................................... 33
Removing the Hard drive...........................................................................................................................................33
Installing the Hard drive............................................................................................................................................. 34
Coin-cell battery................................................................................................................................................................ 35
Removing the Coin-cell..............................................................................................................................................35
Installing the Coin-cell................................................................................................................................................ 36
DC-in port............................................................................................................................................................................37
Removing the DC-in....................................................................................................................................................37
Contents
Contents 3