I had sound then all the sudden I had no sound.If I restart and go to valume control real fast it shows I have sound. once I click out of it I no longer have sound. can some one please help. I have tried every thing I know. When I go to the sounds and devices properties (hardwear) it says all is working yet when I go to the volume tab I can’t click any thing because it says NO AUDIO DEVICE. what do I need to do to fix this
