HP ProBook 6455b Maintenance And Service Manual page 125

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18. If it is necessary to replace the microphones and cables:
a. Release the tabs (1) built into the display enclosure shielding that secure the microphone
cables.
b. Release the microphone receivers from the clips (2) built into the display enclosure.
c. Release the microphone cables from the clips and routing channel (3) built into the bottom
edge of the display enclosure.
d. Remove the microphones and cables (4). The microphones and cables are included in the
Display Cable Kit, using the following spare part numbers:
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118 Chapter 4 Removal and replacement procedures
615959-001–For use only on computer models equipped with two microphones and a
webcam
615957-001–For use only on computer models equipped with one microphone and a
webcam
615958-001–For use only on computer models equipped with two microphones but not
a webcam