Acer AS8950G manual Internal Speaker Failure, Sound Problems

Internal Speaker Failure

If internal Speakers fail, perform the following, one at a time. Do not replace a non-defective FRU:

Start
	OK
Check M/B SPK	NG	Re-assemble the
		SPK cable to M/B
cable
	OK
Check Logic		Swap Logic
Upper/Logic	NG
		lower/Logic upper
upper
Swap M/B

Figure 4-6. Internal Speaker Failure

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:

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:

Click the volume icon on the taskbar

Drag the slider to 50. Confirm that the volume is not muted.

4-10 Troubleshooting