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692780662 UNPDF
HP ProBook 6455b Notebook PC
HP ProBook 6555b Notebook PC
HP ProBook 6450b Notebook PC
HP ProBook 6550b Notebook PC
Maintenance and Service Guide
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© Copyright 2010 Hewlett-Packard
Development Company, L.P.
Intel is a trademark of Intel Corporation in
the U.S. and other countries. Microsoft,
Windows, and Windows Vista are U.S.
registered trademarks of Microsoft
Corporation.
The information contained herein is subject
to change without notice. The only
warranties for HP products and services are
set forth in the express warranty statements
accompanying such products and services.
Nothing herein should be construed as
constituting an additional warranty. HP shall
not be liable for technical or editorial errors
or omissions contained herein.
First Edition: May 2010
Document Part Number: 598169-001
Safety warning notice
WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not
place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat
surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface,
such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the
skin or a soft surface, such as pillows or rugs or clothing, during operation. The device and the AC
adapter comply with the user-accessible surface temperature limits defined by the International
Sta n dard for Safety of Information Technology Equipment (IEC 60950).
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Safety warning notice
Table of contents
1 Product description ........................................................................................................... 1
2 External component identification ................................................................................... 14
Identifying the hardware ......................................................................................................... 14
Top components .................................................................................................................... 15
Display components ................................................................................................ 15
Keys ...................................................................................................................... 16
Pointing devices ...................................................................................................... 18
Buttons and fingerprint reader .................................................................................. 19
Lights ..................................................................................................................... 22
Front components ................................................................................................................... 25
Right-side components ............................................................................................................ 27
Left-side components ............................................................................................................... 28
Rear components ................................................................................................................... 30
Bottom components ................................................................................................................ 32
3 Illustrated parts catalog .................................................................................................. 34
Service tag ............................................................................................................................ 34
Computer major components ................................................................................................... 36
Display assembly components ................................................................................................. 48
Cable kit ............................................................................................................................... 50
Mass storage devices ............................................................................................................. 51
Plastics kit ............................................................................................................................. 52
Miscellaneous parts ................................................................................................................ 53
Sequential part number listing .................................................................................................. 54
4 Removal and replacement procedures ............................................................................ 65
Preliminary replacement requirements ....................................................................................... 65
Tools required ......................................................................................................... 65
Service considerations ............................................................................................. 65
Plastic parts ............................................................................................. 65
Cables and connectors ............................................................................. 66
Drive handling ......................................................................................... 66
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