If the condition is poor or bad, You’d better purchase a new battery. STEP 3: Check the items: cycle count and condition for your battery.
STEP 2: Navigate to About this Mac>System Report>Power. STEP 1: Go to Apple Menu on the top left. You could do this by following steps here. When the Mac can boots up normally, check your battery cycles to see if it needs to be replaced. If the indicator light is off and there is no noise, your Mac probably runs out of battery. Next we would like to show you a couple of methods to fix the black screen issues on MacBook/iMac.Ĭheck if your charger cable is undamaged and still connected.Ĭheck if your Mac produces any noise from the fans or drive. We have talked about the reason of black screen. Also, there are known bugs in macOS that could cause black screen of death. The upgraded operating system might produce compatibility issue which might sometimes result in the black screen.
SIERRA SEARCH MAC LOGS FOR WAKE INSTALL
If the Mac black screen of death happens when you are using an third-party apps or you recently install a new app, the problem may be caused by the app. Some login items in auto startup list stop your MacBook from booting up normally.Ī bug or a glitch in apps, especially third-party apps, could cause the blank screen. If disk permissions are incorrect, it could also make your Mac go black screen or unable to boot up. The permissions on Mac control users and system processes's access to the files. So it seems like a problem on the Mac screen. However, the activity indicator, fan or bootup noises still work which indicates your computer has turned on. In most cases, the Macbook or iMac goes black on startup. So the first thing you should do is to check the Mac’s battery and charging cables. Even if your Mac is plugged in, a bad battery or a faulty cable can stop your Mac from charging and thus the Mac showsss black screen and becomes unresponsive. Running out of battery is one of the most common reasons why your Mac screen goes blank. The possible reasons why Mac screen goes black could be listed as follows:
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