Question
Screen brightness during demonstration
My screen works fine without demonstration https://monosnap.com/file/AwjzhFEibmR65OqJM5NYrAHx1qiQ6M
But during demonstration my colleagues see the screen like a https://monosnap.com/file/hZjgstXPCBUY0ltByJ1bsdqDHTPGfG
What could be the problem?