I have installed audio driver but no sound

[vikasgunaki]

plzzzzzzzzz help me

 

[ksiemb]

plzzzzzzzzz help me

Give this a try.
Click "Start" and click "Run."

Type "services.msc" and press "Enter."

Double click the entry for "Windows Audio."

Select "Automatic" from the drop down menu and press the "Start" button. This will restart the service, reinstalling your mixers.