Speakers and headphones working at the same time

[mahesh patel]

Hello,
my laptop's speakers and the headphone working at the same time.this problem i facing since i installed windows7.prevoiusly i used windowsXP but i didn't faced this kind of problem.
Can anyone help me to fix this problem?

 

[robustus64]

just go to sound control and disable or just mute one..