Acer Aspire 7739 Service Manual page 137

Hardware specifications and configurations
Hide thumbs Also See for Aspire 7739:
Table of Contents

Advertisement

6. Navigate to Start Control Panel Hardware and Sound Sound. Confirm that Speakers
are selected as the default audio device (green check mark).
NOTE:
NOTE:
If Speakers do not show, right-click on the Playback tab and select Show Disabled
Devices (clear by default).
7. Select Speakers and click Configure to start Speaker Setup. Follow the on-screen prompts
to configure the speakers.
8. Remove any recently installed hardware or software.
9. Restore system and file settings from a known good date using System Restore.
10. If the issue is remains, repeat step 9, selecting an earlier time and date.
11. Reinstall the Operating System.
12. Connect a set of earphones or external speakers. If these function correctly, the internal
speaker or I/O board may be defective. If they do not function correctly, the mother board
may be defective or damaged.
13. If the Issue is still not resolved, refer to
Troubleshooting
Online Support
Information.
4-11

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Aspire 7739gAspire 7739z

Table of Contents