Acer Aspire 9920G Service Manual page 74

3. Detach the touchpad bracket from the upper case.
4. Remove the touchpad board from the upper case.
5. Disconnect the touchpad to touchpad board FFC then remove the FFC and the touchpad.
6. Disconnect the launch board FFC from the launch board and the media board and remove the FFC.
7. Remove the three screws fastening the media board to the upper case.
8. Remove the media board from the upper case.
9. Remove the two screws holding the audio board to the upper case.
10. Tear off the audio cable from the lower case.
11. Turn over the audio board as shown.
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