My screen won't turn off, it show a gray stop sign?
I try to turn off my Mac book and the screen doesn't turn off, it's all gray and has s stop sign in the middle of the screen.
MacBook Pro
I try to turn off my Mac book and the screen doesn't turn off, it's all gray and has s stop sign in the middle of the screen.
MacBook Pro
My screen won't turn off, it show a gray stop sign?