Solve : Suddenly no sound on my computer :(?

1.	Solve : Suddenly no sound on my computer :(?
Answer» I sure hope someone can help me! ONE night I was listening to music and I went to click on another song to listen to and it looked like it was playing, but I had no sound. I also have no volume icon in my tray for some reason. One sight told me to TROUBLESHOOT by going to Start, Accessories, ENTERTAINMENT, and that folder was empty. I don't know what to do or what to check to find out what is wrong...can anyone help me?Did you restart your computer since? Any errors in Device Manager?Try System Restore. Click Start then All Programs and move your MOUSE over Accessories and another box will APPEAR. Move down to System Tools and another box will appear move down to System Restore. Now restore your computer to a time before this happened. Do you have any virus protection?yes..go to device manager.. there any yellow symbol ? can you see?

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