Plastics Kit .......................................................................................................................................... 40
Cable Kit ............................................................................................................................................. 41
Mass storage devices ......................................................................................................................... 42
Miscellaneous parts ............................................................................................................................ 43
Sequential part number listing ............................................................................................................ 44
4 Removal and replacement procedures
Preliminary replacement requirements ............................................................................................... 51
Tools required .................................................................................................................... 51
Service considerations ....................................................................................................... 51
Plastic parts ....................................................................................................... 51
Cables and connectors ..................................................................................... 52
Drive handling ................................................................................................... 52
Grounding guidelines ......................................................................................................... 53
Electrostatic discharge damage ........................................................................ 53
Packaging and transporting guidelines ............................................. 54
Workstation guidelines ..................................................................... 54
Equipment guidelines ....................................................................... 55
Component replacement procedures ................................................................................................. 56
Service tag ......................................................................................................................... 56
Computer feet .................................................................................................................... 57
Battery ............................................................................................................................... 58
Switch cover and keyboard ................................................................................................ 59
Memory module ................................................................................................................. 63
Optical drive ....................................................................................................................... 64
Speakers ............................................................................................................................ 67
WWAN module .................................................................................................................. 68
Palm rest ............................................................................................................................ 69
Hard drive .......................................................................................................................... 72
WLAN module .................................................................................................................... 74
Display assembly on computers with 15-in displays .......................................................... 77
Top cover ........................................................................................................................... 83
Power button board ........................................................................................................... 87
RTC battery ....................................................................................................................... 89
Display assembly on computers with 14-in displays .......................................................... 90
Bluetooth module ............................................................................................................... 95
Modem module .................................................................................................................. 96
USB connector assembly .................................................................................................. 97
Heat sink and fan ............................................................................................................... 99
Processor ......................................................................................................................... 103
System board ................................................................................................................... 1 05
SIM .................................................................................................................................. 107
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