Additionally, Windows Vista may report that the audio playback device is working, even though the HDMI cable is not plugged into the HDMI port.
- Click Start, and then click Control Panel.
- Click Hardware and Sound.
- Under Sound, click Manage audio devices.
- Click the playback device from which you want to output sound.
- Click Set Default, and then click OK.
Article ID: 953500 - Last Review: Apr 18, 2017 - Revision: 3