HP Pavilion dv9100 - Entertainment Notebook PC Maintenance And Service Manual page 190

Removal and Replacement Procedures
7. Remove the black Phillips PM2.5×5.0 screw 1 that secures
the power connector assembly to the computer.
8. Remove the power connector assembly 2 from its location
in the base enclosure.
Releasing the Power Connector Assembly
Reverse the above procedure to install the USB board and power
connector assembly.
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