Internal Speaker Failure - Acer Aspire V7-581 Service Manual

Internal Speaker Failure

If 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.
Start Control Panel System and Maintenance System Device
2. Navigate to
Manager
. Check the Device Manager to determine that:
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

3. If updated recently, roll back the audio driver to the previous version.
4. Remove and reinstall the audio driver.
4-10
Start
Check M/B SPK
cable
Check Logic
Upper/Logic
upper
Swap M/B
0
OK
Re-assemble the
NG
SPK cable to M/B
OK
Swap Logic
NG
lower/Logic upper
0
Troubleshooting