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Plastics Kit .......................................................................................................................................... 42
Cable Kit ............................................................................................................................................. 43
Mass storage devices ......................................................................................................................... 44
Miscellaneous parts ............................................................................................................................ 45
Sequential part number listing ............................................................................................................ 46
4 Removal and replacement procedures
Preliminary replacement requirements ............................................................................................... 53
Tools required .................................................................................................................... 53
Service considerations ....................................................................................................... 53
Plastic parts ....................................................................................................... 53
Cables and connectors ..................................................................................... 54
Drive handling ................................................................................................... 54
Grounding guidelines ......................................................................................................... 55
Electrostatic discharge damage ........................................................................ 55
Packaging and transporting guidelines ............................................. 56
Workstation guidelines ..................................................................... 56
Equipment guidelines ....................................................................... 57
Component replacement procedures ................................................................................................. 58
Service tag ......................................................................................................................... 58
Computer feet .................................................................................................................... 59
Battery ............................................................................................................................... 60
Switch cover and keyboard ................................................................................................ 61
Memory module ................................................................................................................. 65
Optical drive ....................................................................................................................... 66
Speakers ............................................................................................................................ 69
WWAN module .................................................................................................................. 70
Palm rest ............................................................................................................................ 71
Hard drive .......................................................................................................................... 74
WLAN module .................................................................................................................... 76
Display assembly on computers with 15.6-in displays ....................................................... 78
Top cover ........................................................................................................................... 84
Power button board ........................................................................................................... 88
RTC battery ....................................................................................................................... 90
Display assembly on computers with 14.0-in displays ....................................................... 91
Bluetooth module ............................................................................................................... 96
Modem module .................................................................................................................. 97
USB connector assembly .................................................................................................. 98
Heat sink and fan ............................................................................................................. 100
Processor ......................................................................................................................... 104
System board ................................................................................................................... 106
SIM .................................................................................................................................. 108
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