Electrostatic discharge damage ........................................................................ 34
Packaging and transporting guidelines ............................................. 36
Component replacement procedures ................................................................................................. 38
Service tag ......................................................................................................................... 38
Computer feet .................................................................................................................... 39
Battery ............................................................................................................................... 40
Display subcomponents (bezel, webcam, panel) .............................................................. 41
WLAN module .................................................................................................................... 48
Memory module ................................................................................................................. 50
Hard drive .......................................................................................................................... 52
RTC battery ....................................................................................................................... 55
Optical drive ....................................................................................................................... 56
Keyboard ........................................................................................................................... 58
Top cover ........................................................................................................................... 61
Power button board ........................................................................................................... 65
TouchPad button board ..................................................................................................... 67
Speakers ............................................................................................................................ 69
USB board ......................................................................................................................... 71
Power connector cable ...................................................................................................... 73
Display assembly ............................................................................................................... 75
System board ..................................................................................................................... 84
Optical drive cable ............................................................................................................. 87
Fan/heat sink assembly ..................................................................................................... 89
Processor ........................................................................................................................... 95
5 Using Setup Utility (BIOS) and System Diagnostics ................................................................................. 97
Starting Setup Utility (BIOS) ............................................................................................................... 97
Updating the BIOS ............................................................................................................................. 97
Determining the BIOS version ........................................................................................... 97
Downloading a BIOS update ............................................................................................. 98
Using System Diagnostics .................................................................................................................. 99
6 Specifications .............................................................................................................................................. 100
Computer specifications ................................................................................................................... 100
14.0-inch display specifications ........................................................................................................ 101
Hard drive specifications .................................................................................................................. 102
7 Backing up, restoring, and recovering ..................................................................................................... 103
Creating backups ............................................................................................................................. 103
Creating recovery media to recover the original system .................................................. 103
vi
Summary of Contents for ProBook 455
Page 1: ...HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 50: ...4 Remove the display bezel 3 42 Chapter 4 Removal and replacement procedures ...
Page 52: ...b Disconnect the module cable from the module 44 Chapter 4 Removal and replacement procedures ...
Page 87: ...d Disconnect the module cable 3 from the module Component replacement procedures 79 ...