I have a monitor attached to my Macbook Air. I am working on it and just keeps going black as if its going to sleep. I move the mouse etc but it seems to turn on and off randomly
Very frustrating!
MacBook Air 13″, macOS 10.14
Hello michalfromcarrboro and welcome to Apple Support Communities. It appears you are having some difficulty using an external monitor with your Mac.
Use external monitors with your Mac
If the tips there do not resolve this, additional info including which MacBook Air, how it is connected, the macOS version and the monitor model may help someone in the community help out here.
Cheers.
My second display keeps turning off
