While playing a game I pressed some button (may be left Ctrl + ...) And my PC gone mute .tried every possible thing found on i

[Radeon 8570]

Laptop Speaker Mute But Jack is OK !!!

 

[madmatt30]

Open playback devices & check speakers are enabled.

Thats the little speaker icon in bottom right taskbar

 

[Radeon 8570]

Yes, Its enabled.But still no sound.

 

[krushant_p]

Backup and reinstall os

 

[Radeon 8570]

Reinstalled windows ....still same issue. Tried to reinstall drivers too but no help.