Samsung laptop win8 . Last few days when waking from sleep (an occasionally when starting) I have no sound either on media player or you tube - when checking th realtek sound device it cannot test and says in use by another application - and I have no idea what application I cannot track it. As I now know of the problem the first thing I do is try real player - sometimes even if this test works and real player shut down I then cannot get sound on youtube - if I try player again it too has no sound . Looking at the device realtek it says working normally ! I then reboot and maybe yes or maybe no the sound will come back. HEELP pls.
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