Hardware Fault (Jack Headphone Socket)

This is a hardware fault because there is no sound coming out of any speakers of head phones this is because inside the slot there are little groves and once they touch the pins push down and transmit audio waves and after a lot of unplugging and plugging in the pins inside the stot get weaker and eventually will stop touching the jack

To fix this problem simply buy a new sound card for the computer and make sure that hard ware is compatible with your computer