one of the the 2 usb ports on the front of my pc will not work properly, everytime i connect anything , i get the does not recognise the usb device, or device not working mesage. i thought about buying a new card for front, but problem is it is a home build pc and the headset jack points are connected as well. is there a way to fix the dodgy usb port. and if not how can i replace the card altogether as i cannot find a similar one anywhere. thanks for any help.