My Mac Desktop Turns On But The Screen Is Black at lindakbarnetto blog

My Mac Desktop Turns On But The Screen Is Black.if your screen goes black, and then comes back on when you press a key or click the mouse or trackpad button, your mac or display has gone to sleep. the common reasons why mac screen goes black include:

Marks on my Macbook Pro Retina's Screen Ask Different
from apple.stackexchange.com

you need to press shift + control + option + power button simultaneously for one or two seconds. Force restart by holding the power button for about 10 seconds. This led will remain on while the imac is connected to the ac power.

Marks on my Macbook Pro Retina's Screen Ask Different

My Mac Desktop Turns On But The Screen Is Black Check the power and brightness.if your screen goes black, and then comes back on when you press a key or click the mouse or trackpad button, your mac or display has gone to sleep. To save energy, your mac and display go to sleep. you need to press shift + control + option + power button simultaneously for one or two seconds.