HP Compaq nc6300 Maintenance And Service Manual page 165

6. Use the optical drive connector to lift the system board 1
until the power connector 2 is clear of the base enclosure.
7. Slide the system board 3 to the left at an angle and remove it.
Removing the System Board
Reverse the above procedures to install the system board.
Maintenance and Service Guide
Removal and Replacement Procedures
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