If you should be seeing No Audioon your screen there might be numerous good reasons for this.

1.First sign in your settings and ensure that your audio is switched on (it occurs).
2.Then check Your Audio Card.

A. LocateDevice manager and open it. In your computer right go and click to properties
B. Aftergetting inside, select hardware. Select the video, sound and gaming control choice
(While in there look for red cross marks on an item, this means it is away.))

To be able to repair red cross marks, the device that is turned by right click on them and back on.

If by after following these steps, the difficulty still exists, then its strongly recommended that you down load a driver manager, to safely install or upgrade, even fix
regardless of the issue perhaps.