My motherboard is not a problem?

Users questions:Yesterday, unplug the subwoofer for the headset, the results can not be heard on the left, and then return for bass is the same bubble can not be heard the left, but I installed the motherboard tray with the sound that they can after that, and yet Turn off the computer would not work on the move again, is this what the problem is how to do?
Experts answer: look at the balance of volume control
  • This information provided by the users.Thanks!