● N18755-001: For use on computer models equipped with an infrared webcam and ALS
● N09021-001: For use on computer models equipped with an infrared webcam
● N18756-001: For use on computer models equipped with an RGB webcam and ALS
● N09022-001: For use on computer models equipped with an RGB webcam
● N09023-001: For use on computer models equipped with a microphone
12. If you need to remove the hinge cover:
a. Remove the display assembly.
b. Remove the display bezel.
c. Remove the Phillips M1.3 × 2.5 screw (1) that secures the hinge cover to the display back cover.
d. Slide the hinge cover (2) to the right as far as it will go.
e. Swing the top edge of the hinge cover (3) up and forward, and then remove it (4) from the display back 
cover.
The hinge cover is included in the Display Hinge Kit, spare part number N09028-001.
58 Chapter 5Removal and replacement procedures for authorized service provider parts