FIX NO AUDIO DEVICE

1. go to "Run"

2.Type "services.msc" (press OK)

3.After pressing OK. A window will appear, here you find "Windows Audio"

4.now right click on "Windows Audio" and select "Properties"

5.A Window will appear, HERE Startup Type: is "DISABLED"

6.Now change the type to "AUTOMATIC".

7. Now "APPLY" & "OK"

ENJOY...