Internal Speaker Failure - Acer Aspire S3 MS2346 Service Manual

Internal Speaker Failure

If internal Speakers fail, perform the following, one at a time. Do not replace a non-defective
FRU:
Sound Problems
Perform the following, one at a time.
1. Boot the computer.
2. Navigate to Start  Control Panel  System and Maintenance  System  Device
Manager. Check the Device Manager to determine that:
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3. If updated recently, roll back the audio driver to the previous version.
4. Remove and reinstall the audio driver.
5. Make sure that all volume controls are set mid range:

4-10
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Figure 4-6. Internal Speaker Failure
The device is properly installed
There are no red Xs or yellow exclamation marks
There are no device conflicts
No hardware is listed under Other Devices
Click the volume icon on the task bar
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