HP ProBook 6545b Maintenance And Service Manual page 143

Remove the speaker assembly:
✎
Steps 1 and 2 apply only to HP Compaq 6545b and 6540b computer models. See steps 3 through 5 for speaker
assembly removal information for HP Compaq 6445b and 6440b computer models.
1. Remove the slotted Torx T8M2.5×7.0 screw 1 that secures the speaker assembly to the base enclosure.
2. Remove the speaker assembly 2.
✎
Steps 3 through 5 apply only to HP Compaq 6445b and 6440b computer models.
3. Disconnect the speaker cable 1 from the ExpressCard assembly.
4. Remove the slotted Torx T8M2.5×7.0 screw 2 that secures the speaker assembly to the base enclosure.
5. Remove the speaker assembly 3.
Reverse this procedure to install the speaker assembly.
Maintenance and Service Guide
Removal and replacement procedures
4–69