I watched this video and I got them working but I can't turn the volume back up after turning it down what did I do wrong?

Help With Sound And Audio Settings?
Next up
The Best Asset You Can’t Miss #gamedev #unrealengine #indiedev
Level Design 101: The Ultimate Guide for Game Developers
Our condolences,
Happy #WIPWednesday! Are you working on a game? Making some art? Practicing a song? Something else? Tell us in the comments!
Revamping Our Game: Bringing My Original Vision to Life! - Devlog 1
Happy #WIPWednesday! Are you working on a game? Making some art? Practicing a song? Something else? Tell us in the comments!
Unveiling Game-Changing Milestones: The Secrets Behind Our Breakthrough! - Devlog 2
Don’t Miss These Free Game Assets for October! 🎃🔥 #GameDev
Happy #WIPWednesday! Are you working on a game? Making some art? Practicing a song? Something else? Tell us in the comments!
Inside the Blue Ocean Games Fund: A New Era For Game Developers? #gamedev #indiegamefunding #indiegamedev
4 comments