Hold down the Power button on the Mac until the computer shuts down.You can force reboot with the following simple instructions: This will typically allow you to regain access to the computer, and it is usually sufficient to resolve the black screen on wake problem completely. The next step is to turn the Mac off, then turn it back on again. Simply turning the brightness up or turning the Mac on will resolve those type of issues quickly. Often the brightness is just turned down low or the computer is actually off and not in sleep mode. Check to make sure the Mac is plugged in to a power source (even a laptop, the battery could be drained).If the Mac is using an external display, make sure that display is powered on.Make sure the Mac is actually powered on.
Turn the screen brightness all the way up.1: Check the Obvious: Screen Brightness & Powerīefore anything else, check the obvious possibilities: We’ve broken down this troubleshooting guide into sections from the easiest and most obvious solutions to the more complicated, follow along as needed. Resolving a Black Screen on Mac When Waking from Sleep Don’t panic! If you experience an unresponsive black screen when waking your Mac from sleep, you’ll likely be able to resolve the problem with the following troubleshooting steps.
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