HP Compaq NX4820 Maintenance And Service Manual page 183

Removal and Replacement Procedures
✎
Steps 5 and 6 apply only to HP Compaq nx4820 and
Compaq Presario V2400 models.
5. Release the ZIF connector 1 to which the LED board cable is
connected and disconnect the cable 2 from the system board.
6. Remove the two PM2.0×3.0 screws 3 that secure the LED
board to the top cover.
Removing the LED Board Screws, HP Compaq nx4820 and
Compaq Presario V2400 Models Only
7. Remove the LED board.
Reverse the above procedure to install the LED board.
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