Knowledge Base

No sound with DisplayPort or HDMI Video cable connection



System loses sound when a display is connected using a DisplayPort or High Definition Media Interface (HDMI).


No sound with DisplayPort or HDMI Video cable connection

When an audio-supported video cable is being used such as a DisplayPort or HDMI cable, Windows may change the default audio device to the audio-supported cable thinking another audio device is being used. The issue may be seen to occur when a portable is coming out of sleep as the system is detecting the audio-capable cable first.


Change the Playback Device configuration in Control Panel

Go into the audio playback devices settings (Start > Control Panel > Sound) and change the default audio device back to the internal speakers/headphones.


or

The external audio device causing the issue can be disabled so issue does not occur again.


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Article ID: SLN286116

Last Date Modified: 05/27/2015 09:57 AM


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