HP Compaq NX4820 Maintenance And Service Manual page 146

3. Disconnect the wireless antenna cables from the Mini PCI
communications card.
Disconnecting the Wireless Antenna Cables
4. Remove the wireless antenna cables from the Mini PCI and
memory module compartments.
5. Remove the switch cover
6. Remove the keyboard
7. Turn the computer display-side up with the front panel
toward you.
8. Open the display as far as possible.
Maintenance and Service Guide
Removal and Replacement Procedures
(Section 5.9).
(Section 5.10).
5–33