Equipment guidelines ....................................................................... 43
Component replacement procedures ................................................................................................. 44
Service tag ......................................................................................................................... 44
Battery ............................................................................................................................... 45
SIM .................................................................................................................................... 46
Service access cover ......................................................................................................... 47
Expansion memory modules ............................................................................................. 48
RTC battery ....................................................................................................................... 50
WLAN module .................................................................................................................... 51
WWAN module .................................................................................................................. 53
Bluetooth module ............................................................................................................... 55
Hard drive .......................................................................................................................... 57
Smart card reader .............................................................................................................. 60
Optical drive ....................................................................................................................... 62
Keyboard ........................................................................................................................... 64
Primary memory module .................................................................................................... 66
Top cover ........................................................................................................................... 68
Power button board ........................................................................................................... 71
Function button board ........................................................................................................ 73
Fingerprint reader board .................................................................................................... 75
TouchPad button board ..................................................................................................... 77
I/O board ............................................................................................................................ 79
Video card fan/heat sink assembly .................................................................................... 81
Processor heat sink ........................................................................................................... 83
Graphics card .................................................................................................................... 85
Processor ........................................................................................................................... 87
Modem module .................................................................................................................. 89
Audio/USB 3.0 board ......................................................................................................... 91
Speakers ............................................................................................................................ 93
ExpressCard/USB 2.0 assembly ....................................................................................... 96
Northbridge chip heat sink ................................................................................................. 98
RJ-45 connector cable ..................................................................................................... 100
Power connector cable .................................................................................................... 102
System board ................................................................................................................... 103
RJ-11 connector cable ..................................................................................................... 105
Service access cover latch .............................................................................................. 107
Battery latch ..................................................................................................................... 109
Security lock .................................................................................................................... 111
Display panel ................................................................................................................... 113
Display assembly ............................................................................................................. 116
vi