Internal Speaker Failure - Acer Chromebook C732 Service Manual

Internal Speaker Failure

If the internal speakers fail, perform the following:
Figure 4-6. Internal Speaker Failure
Sound Problems
Perform the following, one at a time.
1. Boot the computer.
2. If updated recently, roll back the audio driver to the previous version. Remove and
reinstall the audio driver.
3. Make sure that all volume controls are set mid range:
Click or

Drag the slider to 50. Confirm that the volume is not muted.

Click Mixer to verify that other audio applications are set to 50 and not muted.

4. Remove any recently installed hardware or software.
5. Factory reset your Chromebook:
NOTE: NOTE:
Make sure to back up all the files on Google Drive or an external hardrive.
4-10
Start
OK
NG
Check MB
SPK cable
OK
Check Logic NG
Lower/Logic
Upper
OK
Swap M/B
, or click the status area of the taskbar.
0
Re-assemble the
SPK cable to MB
Swap Logic lower/
Logic upper
0
Troubleshooting