HP Compaq NX4820 Maintenance And Service Manual page 182

✎
Steps 3 and 4 apply only to HP Pavilion dv1400 models. See
steps 5 and 6 in this section for information on removing the
LED board on HP Compaq nx4820 and Compaq Presario
V2400 models.
3. Release the ZIF connector 1 to which the LED board cable is
connected and disconnect the cable 2 from the system board.
4. Remove the three PM1.5×2.0 screws 3 that secure the LED
board to the top cover.
Removing the LED Board Screws, HP Pavilion dv1400
Models Only
Maintenance and Service Guide
Removal and Replacement Procedures
5–69