Both audio channels play only out of left earphone on front jack

So I have a very strange problem I'm stumped with. I've got a pair of headphones for my computer. When I plug it into the jacks on the back of the motherboard, everything's fine and dandy. But I've also got a pair of speakers that are much more convenient to be plugged in there, and the headphones at the front. But when I plug the headphones into the front jacks, sound only comes out of one headphone. Namely, the left one. No matter how I change the balance in Realtek Manager, it sounds the same. When I test the sound, it turns out I hear both audio channels at the left headphone. But if I plu

Question by Arcturus21 on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.