HP EliteBook 840 G6 Maintenance And Service Manual page 85

12. If it is necessary to remove the ambient light sensor board, disconnect the cable from the board (1), lift
upward to release the board from the adhesive on the display enclosure (2), and then remove the board
from the display (3).
The ambient light sensor board is available as spare part number L62745-001.
13. If it is necessary to remove the display panel from the enclosure, remove the four Phillips M2.0 × 2.0
screws that secure the panel to the display enclosure.
14. Rotate the display panel over onto the keyboard (1).
Component replacement procedures 75