In My client site there are so many Computer user facing one Problem with audio device.

The audio service get stopped atomatically and gives you a error reporting audio device not install..

If you retart you PC , its again start working..

If you also face such kind of issue then Follow the below procedure:-

1. Go to Start
2. Click on Run
3. Write " Services.msc" then click Ok
4. It will open a Window then search for "Windows Audio"
5. Right click on "windows Audio"
6. Go to Properties
7. Then you find option like Service status. In below that you will find tabs Like start , stop.
8. Most probably the service is showing stop. just start the service from their .
9 Then Click on the Recovery tab on the Top
10. Select "Restart the service " in first three option
11. Make "0" ( Zero) in the last two Option
12. then Apply
13. Close the Window

Now check with Audio Icon..  Audio will work.. and you will not face the problem again..