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
After working inside your computer.............................................................................................................................. 8
2 Technology and components........................................................................................................10
USB features........................................................................................................................................................................ 10
USB Type-C...........................................................................................................................................................................11
HDMI 1.4................................................................................................................................................................................ 12
Power button LED behavior............................................................................................................................................... 12
3 Major components of your system ............................................................................................... 14
4 Disassembly and reassembly........................................................................................................ 16
MicroSD card........................................................................................................................................................................16
Removing the microSD card.........................................................................................................................................16
Installing the microSD card............................................................................................................................................17
SIM card tray........................................................................................................................................................................ 18
Removing the SIM card tray.........................................................................................................................................18
Installing the SIM card tray........................................................................................................................................... 19
Base cover............................................................................................................................................................................20
Removing the base cover.............................................................................................................................................20
Installing the base cover............................................................................................................................................... 22
Battery.................................................................................................................................................................................. 25
Lithium-ion battery precautions...................................................................................................................................25
Removing the battery................................................................................................................................................... 25
Installing the battery......................................................................................................................................................27
WWAN card......................................................................................................................................................................... 29
Removing the WWAN card.......................................................................................................................................... 29
Installing the WWAN card............................................................................................................................................ 30
WLAN card............................................................................................................................................................................31
Removing the WLAN card............................................................................................................................................ 31
Installing the WLAN card.............................................................................................................................................. 32
Memory modules................................................................................................................................................................. 33
Removing the memory module.................................................................................................................................... 33
Installing the memory module...................................................................................................................................... 34
Solid-state drive...................................................................................................................................................................35
Removing the M.2 SSD................................................................................................................................................ 35
Installing the M.2 SSD................................................................................................................................................... 37
Speakers............................................................................................................................................................................... 39
Removing the speakers................................................................................................................................................ 39
Contents
Contents 3