HP Pavilion dv4200 Maintenance And Service Manual page 143

Removal and Replacement Procedures
7. Turn the computer right-side up with the front toward you.
8. Open the display as far as possible.
9. Remove the wireless antenna cables 1 from the clips in the
top cover.
10. Disconnect the display cable from the system board 2.
Removing the Wireless Antenna Cables
Maintenance and Service Guide 5–37