13. If it is necessary to replace the display hinge covers, follow these steps:
a. Remove the display panel assembly.
b. Remove the display hinges.
c. Remove the Phillips M2.0 × 3.2 screw (1) that secures the hinge cover to the hinge.
d. Remove the hinge cover (2).
The hinge covers are available using spare part number M45478-001.
14. If it is necessary to replace the webcam/microphone module, follow these steps:
a. Remove the display panel assembly.
b. Release the webcam/microphone module cable from the retention clip (1) and routing channel built 
into the bottom edge of the display back cover.
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Chapter 5  Removal and replacement procedures for authorized service provider parts