The volume slowly increases to the 100% even when I set the volume slider to 1%...

When I try to set the volume lower on my PC, it quickly increases to 100% volume, even when I set the volume slider to 1 or 2%. When I set it to 0%, however, it does mute the volume. It's rediculous! I just want quieter music, but I am constantly blasted by maxed out volume...