HP 240 Maintenance And Service Manual page 6

Hp 450 notebook pc and hp 455 notebook pc maintenance and service guide
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Component replacement procedures ................................................................................................. 38
5 Computer Setup (BIOS) and Advanced System Diagnostics ................................................................. 101
vi
Packaging and transporting guidelines ............................................. 36
Service tag and PCID label ................................................................................................ 38
Service tag ........................................................................................................ 38
PCID label ......................................................................................................... 39
Computer feet .................................................................................................................... 40
Battery ............................................................................................................................... 41
Display subcomponents (bezel, webcam, panel) .............................................................. 42
WLAN module .................................................................................................................... 49
Memory module ................................................................................................................. 52
Hard drive .......................................................................................................................... 54
RTC battery ....................................................................................................................... 57
Optical drive ....................................................................................................................... 58
Keyboard ........................................................................................................................... 60
Top cover ........................................................................................................................... 63
Power button board ........................................................................................................... 67
TouchPad button board ..................................................................................................... 69
Speakers ............................................................................................................................ 71
USB board ......................................................................................................................... 73
Power connector cable ...................................................................................................... 75
Display assembly ............................................................................................................... 77
System board ..................................................................................................................... 86
Optical drive cable ............................................................................................................. 90
Fan/heat sink assembly ..................................................................................................... 92
Processor ........................................................................................................................... 98
Using Computer Setup .................................................................................................... 101
Starting Computer Setup ................................................................................. 101
Navigating and selecting in Computer Setup .................................................. 101
Restoring factory settings in Computer Setup ................................................. 102
Updating the BIOS .......................................................................................... 103
Determining the BIOS version ........................................................ 103
Downloading a BIOS update .......................................................... 103
Using Advanced System Diagnostics .............................................................................. 104
Using Computer Setup .................................................................................................... 105
Starting Computer Setup ................................................................................. 105
Navigating and selecting in Computer Setup .................................................. 105
Restoring factory settings in Computer Setup ................................................. 106

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