HP Compaq NC6140 Maintenance And Service Manual page 135

3. Remove the six Torx8 T8M2.0×4.0 screws 1 that secure the
speaker to the computer.
4. Lift the speaker 2 until it clears the system board.
5. Slide the speaker 3 toward you and remove it.
Removing the Speaker
Reverse the above procedure to install the speaker.
Maintenance and Service Guide
Removal and Replacement Procedures
6–45