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Electrostatic discharge damage .................................................................. 49
Packaging and transporting guidelines ........................................ 51
Service tag .............................................................................................. 53
PCID label ............................................................................................... 54
Computer feet ......................................................................................................... 55
Battery ................................................................................................................... 56
Display subcomponents (bezel, webcam, panel) ......................................................... 57
WLAN module ........................................................................................................ 64
Memory module ...................................................................................................... 67
Hard drive ............................................................................................................. 70
RTC battery ............................................................................................................ 73
Optical drive .......................................................................................................... 74
Keyboard ............................................................................................................... 76
Top cover ............................................................................................................... 79
Power button board ................................................................................................. 83
TouchPad button board ............................................................................................ 85
Speakers ................................................................................................................ 87
USB board ............................................................................................................. 89
Power connector cable ............................................................................................ 91
Display assembly .................................................................................................... 93
System board ....................................................................................................... 102
Optical drive cable ............................................................................................... 107
Fan/heat sink assembly ......................................................................................... 109
Processor ............................................................................................................. 115
Determining the BIOS version ................................................................................. 118
Downloading a BIOS update .................................................................................. 119
Determining the BIOS version ................................................................................. 121
Downloading a BIOS update .................................................................................. 122
vi
Summary of Contents for 240 Series
Page 4: ...iv Safety warning notice ...
Page 38: ...3 Illustrated parts catalog Computer major components 30 Chapter 3 Illustrated parts catalog ...
Page 66: ...4 Remove the display bezel 3 58 Chapter 4 Removal and replacement procedures ...
Page 68: ...b Disconnect the module cable from the module 60 Chapter 4 Removal and replacement procedures ...
Page 105: ...d Disconnect the module cable 3 from the module Component replacement procedures 97 ...