Audio switched: headphones instead of speakers and vice versa

It's been a couple of months that I started to have a problem: when I plug my headphones sound is played from the speakers, and when I plug them out there's no sound at all because I can see "Headphones" as a default device from settings. So I guess they are switched. I have both Windows 10 and Ubuntu 16.04 in dual boot, and it happens on both OS. I'm trying to figure out if it's an hardware problem. On Windows, I succeded unistalling Realtek drivers and leaving the default ones, and selecting the proper device. On Ubuntu, every time I always have to go in alsamixer and turn on manually the ri

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