Headphones not working on PC

[AVATARITO]

I have a MEDIATECH MT-8333 Headphones and they seemed to be working just fine. then i unplugged them to listen to music on my phone and they were working fine as well.. then i plugged them back into my pc and they did not work. so i unplugged then and plugged them in my phone , played music and they were working fine.. but they are not working on my pc.. PLZ HELP

 

[amol93]

check socket clean it also check headphones