Headphone Jack Not Working

Okay, so some background: I have a Toshiba Satelite running windows 10 that I bought in 2011, today I plugged my headphones in and only the left side plays at normal volume. The right side is sort of working, but only at an extremely low volume.

I've checked that it's not the headphones, and 3 sets later it's the same for all of them. I've checked the audio driver, I've turned it off and back on again, I've checked the balance, the sound settings, everything I've found in the forums. There's nothing that I can see obstructing the jack, I've turned the laptop on its side and gently tapped the side and blew some air in, hoping that that would dislodge anything that might be stuck in there.

If I unplug the headphones about 5mm then I'll have normal sound. I also vaguely remember it making an odd click when I plugged it in last night, and it taking just a little more effort to plug in than normal. When I play around with the balance, I have to have 10 on the left and 90 on the right to get it to sound somewhat normal, but there's an annoying buzzing on the right side when I do.

I'm not good with computers at all, so I hope this is enough information. Thanks if you can help.