HP ProBook 6545b Notebook PC,
HP ProBook 6540b Notebook PC,
HP ProBook 6445b Notebook PC, and
HP ProBook 6440b Notebook PC
Maintenance and Service Guide
Document Part Number: 570786-002, Rev. C
February 2011
This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides
comprehensive information on identifying computer features, components, and spare parts; troubleshooting
computer problems; and performing computer disassembly procedures.
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