Every time I lower the volume and exit settings it goes back to 50%. Anyone know how to fix this? I press escape after changing the % and it resets back to 50 I press exit settings and the same thing happens too

I am a bronze Jett player and I think I am pretty good for my rank, I can push into site first and make space for my teammates to plant. However I am not that good at using the ult, I can kill most people fairly easily if they stay still bu...