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Sound stops working when playing videos

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#1 eaglebay


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  • Local time:08:08 PM

Posted 30 April 2015 - 02:44 PM


When any video is played the sound on the Laptop Speakers stops after a few minutes, the length of time varies. The video image is still playing, only the sound stops. This happens on both Youtube (using HTML5) and Netflix (using Silverlight).  This is a new issue starting about a week ago.  Not sure if it happened with some update as my updates are automatic.


The speaker volume is still on, and Youtube and Netflix do not show as muted. The Sound Mixer shows activity for the audio stream but no sound is coming from the speakers. If I plug in the headphones there is sound. When I unplug the headphones there is sound again from the laptop speakers but after a minute or so the sound from the laptop speakers quits again. Each time if I plugin then unplug the headphones the laptop speakers seems to wakeup and sound starts again. Also, if I Pause the video and press Play again the sound also restarts on the Laptop Speakers (this happend in both Youtube and Netflix).


It is happening in all of the internet browsers I use. The following is the information on the laptop and programs.



Firefox 37.0.2


Chrome Version 42.0.2311.135


Internet Exployer Version 11.0.9600.17728


Toshiba Sattelite L750 Laptop, Windows 7

Laptop Speakers = Conexant Smartaudio HD, driver =


Microsoft Silverlight (64-bit) Version: 5.1.30514.0


Flash Player Version



I have run the Flash Uninstaller and reintalled Flash Player but the same thing happens.


I have also tried running Firefox in Safemode and the same thing happens


Any assistance would be greatly appreciated.

Edited by hamluis, 30 April 2015 - 05:32 PM.
Moved from Win 7 to Internal Hardware - Hamluis.

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