Service Manual

1 Working on your computer............................................................................................................ 6
Safety instructions.................................................................................................................................................................6
Turning off your computer — Windows 10....................................................................................................................... 6
Before working inside your computer................................................................................................................................. 6
After working inside your computer.................................................................................................................................... 7
2 Technology and components......................................................................................................... 8
Power adapter........................................................................................................................................................................8
DDR4....................................................................................................................................................................................... 8
HDMI 1.4- HDMI 2.0.............................................................................................................................................................. 9
USB features........................................................................................................................................................................ 10
Advantages of Displayport over USB Type-C............................................................................................................ 12
USB Type-C..........................................................................................................................................................................12
3 Disassembly and reassembly........................................................................................................ 13
Subscriber Identity Module(SIM) board............................................................................................................................13
Installing the Subscriber Identification Module card.................................................................................................. 13
Removing the Subscriber Identification Module card................................................................................................13
Base cover.............................................................................................................................................................................13
Removing the base cover..............................................................................................................................................13
Installing the base cover................................................................................................................................................ 14
Battery...................................................................................................................................................................................15
Lithium-ion battery precautions................................................................................................................................... 15
Removing the battery....................................................................................................................................................15
Installing the battery...................................................................................................................................................... 16
Solid State Drive — optional ............................................................................................................................................. 16
Removing the M.2 Solid State Drive - SSD................................................................................................................ 16
Installing the M.2 Solid State Drive - SSD...................................................................................................................18
WLAN card............................................................................................................................................................................18
Removing the WLAN card............................................................................................................................................ 18
Installing the WLAN card...............................................................................................................................................19
WWAN card......................................................................................................................................................................... 20
Removing the WWAN card..........................................................................................................................................20
Installing the WLAN card.............................................................................................................................................. 20
Coin-cell battery................................................................................................................................................................... 21
Removing the coin cell battery..................................................................................................................................... 21
Installing the coin cell battery....................................................................................................................................... 21
Memory modules................................................................................................................................................................. 22
Removing the memory module.................................................................................................................................... 22
Installing the memory module...................................................................................................................................... 22
Keyboard lattice and Keyboard..........................................................................................................................................23
Removing keyboard lattice........................................................................................................................................... 23
Removing the keyboard................................................................................................................................................23
Installing the keyboard.................................................................................................................................................. 26
Contents
Contents 3