HP EliteBook 8540p Maintenance And Service Manual page 90

Remove the display assembly:
1. Position the computer right-side up, with the front toward you.
2. Disconnect the display panel cable (1) from the system board.
3. Remove the display panel cable from the clips built into the top cover (2)
4. Disconnect the microphone cable from the pass-thru cable (3).
5. Remove the WWAN antenna cables from the channel to the bottom of the base enclosure.(4).
6. Remove the WWAN antenna, WLAN antenna, and the microphone cables (5) from the clips built
into the top cover.
7. Position the computer upside-down, with the rear toward you.
Component replacement procedures 83