My laptop's sound sounds like echo, how do I get a normal playback?

Question

My daughter was playing with the keyboard in my laptop and she clicked on a button and the music began to sound with an echo... how can I restablish the normal sound?

Answer 1

U can go to media player and switch off the echo effect or on the Taskbar u can use the volume button to switch it off or else mute it.

Answer 2

go to your control panel. find setting for sound card. run that and change equalizer.