HP Compaq NC4010 Maintenance And Service Manual page 136

Removal and Replacement Procedures
8. Flex the right side of the base enclosure near the audio
jacks 1 until the jacks clear the base enclosure.
9. Lift the rear edge of the system board and swing it up 2
until the board rests at a 45-degree angle.
10. Slide the system board away from the base enclosure at an
angle 3.
Removing the System Board
Reverse the above procedure to install the system board.
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