Sound at Fortnite always goes out?

As it says in the title, my sound goes out all the time at Fortnite, and only after a restart on. With all other games, Youtube, music, etc. Everything goes. Usually when I'm in the middle of a match or when I join the group, the sound just disappears. My headphones are of course charged and connected!

If other games and music work properly on the same device, I would simply reinstall Fortnite.

Ok I try it Probier times would have thought that any attitude in Fortinite is wrong, because whenever I join a group, the sound goes out.