Internal Speaker Failure - Acer Aspire 5333 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.
2. Navigate to Start
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.
5. Make sure that all volume controls are set mid range:
4-10
Start
Check M/B
SPK cable
OK
Check
Logic upper
Swap M/B
 
Control Panel System and Maintenance
0
OK
Re-assemble
NG
the SPK cable
to M/B
OK
Swap Logic
NG
upper
 
System Device
Troubleshooting
0