Component replacement procedures ................................................................................................................................. 40
Component replacement procedures ................................................................................................................................. 66
viii
Workstation guidelines ..................................................................................................................................... 32
Generating static electricity ............................................................................................................................. 34
Grounding the work area .................................................................................................................................. 35
Preparation for disassembly ........................................................................................................................... 40
Service cover ...................................................................................................................................................... 40
Battery ................................................................................................................................................................. 41
Solid-state drives 3 and 4 ................................................................................................................................ 42
Hard drive ........................................................................................................................................................... 44
WLAN module .................................................................................................................................................... 46
WWAN module ................................................................................................................................................... 47
Solid-state drive 2 ............................................................................................................................................. 49
Memory modules 2 and 4 ................................................................................................................................ 51
Keyboard ............................................................................................................................................................. 54
Memory modules 1 and 3 ................................................................................................................................ 58
Solid-state drive 1 ............................................................................................................................................. 62
Preparation for disassembly ........................................................................................................................... 66
Bottom case ....................................................................................................................................................... 66
SD card board cable .......................................................................................................................................... 68
SD card board ..................................................................................................................................................... 69
Fingerprint reader module ............................................................................................................................... 71
Hard drive cable ................................................................................................................................................. 72
Touchpad cable .................................................................................................................................................. 73
Touchpad ............................................................................................................................................................ 74
NFC module cable .............................................................................................................................................. 75
NFC module ........................................................................................................................................................ 76
Card reader board ............................................................................................................................................. 78
Fan/heat sink assembly .................................................................................................................................... 79
Beam connector ................................................................................................................................................. 85
ENWW