Acer 4253G manual Internal Speaker Failure

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´ 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.
	Click Mixer to verify that other audio applications are set to 50 and not muted.
6.	Navigate to Start´ Control Panel´ Hardware and Sound´ Sound. Confirm that
	Speakers are selected as the default audio device (green check mark).

4-10 Troubleshooting