Audio on headphones not playing when plugged in

I just wanted to leave this for future reference so other people that may end up with this problem can fix it. I upgraded to the MSI Z97-GD65 Gaming motherboard and when I plugged in my headphones to the front panel on my computer case, the Realtek HD Audio Manager would come up saying they were plugged in and I made sure "Headphone" was selected, but nothing would play on the headphones. I also made sure that all the drivers were installed and up to date. I should note that I'm using Windows 8.1 (x64) and no other sound cards are installed (except for the built-in one with the motherboard). I

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