#MAC BLACK SCREEN ON STARTUP PASSWORD#
#MAC BLACK SCREEN ON STARTUP MAC#

This SHOULD clear the error that was causing the issue. In Automatic Login - toggle to your specific username. Then click on Login Options (bottom of User window). Under Login Items, try deleting all the items in the box.

#MAC BLACK SCREEN ON STARTUP PASSWORD#

Then open up System Preferences, and go to Users and Groups.Д¬lick the lock and enter password to give permissions.

IMac should start up properly, although will be a little glitchy.ДЄt user screen, log in as usual, and let the desktop load. Start the machine in safe mode (holding shift on start-up if you're new to all this). If I have the same problem as you, the iMac starts up, shows the Apple logo, and then the status bar begins animating to show that the system is booting up.ДЄt about 30 percent, the status bar disappears, and the screen goes black.ДЄfter a lengthy call with Applecare, we seem to have solved the problem, and it was actually pretty simple. Perhaps my experience will help you or others with the same problem.ДЇirst, on my old iMac 27' (2009 model) although this was a white screen with cursor only, and now last week on my new 5k iMac (this time a black screen and cursor). I'm no tech expert, so forgive my rudimentary grasp of the situation, but I've experienced this problem a lot since the Yosemite upgrade. In out case, locking the screen also enables or resets the screen saver, so that the next key press or mouse motion will bring up the login dialog. This keyboard shortcut usually locks the screen. Sometimes you do not want to put the computer to sleep because you do not want to interrupt a task that is running. After a few seconds of sleeping, wake the computer up again.

#MAC BLACK SCREEN ON STARTUP MAC#

Put the computer to sleep (close the lid on a Mac Book (pro) or press the power button quickly on a desktop Mac. About reset the NVRAM (so you tried it, more than twice?).Intel-based Macs: Resetting the System Management Controller (SMC).May be able to troubleshoot past the problem. However there are keyboard shortcuts on startup that In safeboot mode, if it starts you could check some other things in the system. Have you used this computer with an external display? With a Genius at the Apple Store, to take the computer in for diagnosis.Д®specially if this repeats itself that would make it easier to prove a point. With an AppleCare plan in effect, you should consider making an appointment SafeBoot starts the computer in a reduced OS X so several items are turned off. Or a graphics problem after the system loads. If so, then it could be troubleshooted or console utility logs looked into, to see if there is any evidence of system parts not loading properly, or of a hardware issue. Will it start more normally if you choose to hold the Shift key down through startup and then you may be able to see the desktop and login.? This would be SafeBoot mode.

Mac black screen on startup