Drive handling ......................................................................................... 49
Grounding guidelines .............................................................................................. 50
Electrostatic discharge damage .................................................................. 50
Packaging and transporting guidelines ........................................ 51
Workstation guidelines .............................................................. 51
Equipment guidelines ................................................................. 52
Component replacement procedures ........................................................................................ 53
Service tag ............................................................................................................. 53
Battery ................................................................................................................... 54
Display panel (non-DreamColor) ............................................................................... 55
SIM ....................................................................................................................... 59
Service door ........................................................................................................... 60
Memory Modules (under service door) ....................................................................... 62
RTC battery ............................................................................................................ 64
WLAN module ........................................................................................................ 65
WWAN module ..................................................................................................... 68
Bluetooth module .................................................................................................... 70
Hard drive ............................................................................................................. 72
Smart card reader ................................................................................................... 75
Upgrade bay device ................................................................................................ 77
Keyboard ............................................................................................................... 81
Memory Modules (under keyboard) ........................................................................... 85
Top cover ............................................................................................................... 87
Power button board ................................................................................................. 90
Function button board .............................................................................................. 92
Fingerprint reader board .......................................................................................... 94
TouchPad button board ............................................................................................ 96
VGA port board ..................................................................................................... 98
Fan and heat sink assembly .................................................................................... 100
Graphics card ...................................................................................................... 102
Processor ............................................................................................................. 104
Audio/USB 3.0 board ........................................................................................... 106
Modem module .................................................................................................... 108
Speakers .............................................................................................................. 110
ExpressCard/USB 2.0 assembly ............................................................................. 113
Northbridge chip heat sink ..................................................................................... 115
System board ....................................................................................................... 117
RJ-45 connector cable ............................................................................................ 120
Power connector cable .......................................................................................... 122
RJ-11 connector cable ............................................................................................ 124
Service door latch ................................................................................................. 126
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