sound issue

[Sparky]

Hi people wonder if you can help?
I have a sound issue, can play audio tracks fine fron hdd but no sound when listening to youtube etc?

Any ideas?

Thanks

 

[Grenache]

Do you have more than one soundcard, or have one whhere you can configure front & back pairs to be independent stereo outputs? If so, might be the two programs are using different playout devices. Some more detail might help us.