

Test in safe mode to see if the problem persists, then restart normally.

I thought it wasn't working, but the screen was just sleeping).Īpparently, it's an issue with an automatic update that never quite got past the login screen.Ī Troubleshooting Protocol to Identify Problems or Fix macOS El Capitan or Later (If your screen goes pitch black during this process, hit the space bar. After that it should go to your normal desktop and the issue should be fixed. Your screen should then move on to something along the lines of "Completing OSX Installation" (I can't remember the exact wording). After a moment, you should see the spinning beach ballĥ.

Once you reach the point where your screen goes dark and you see the cursor, type the first letter of the username for your computer, then hit Enter, then type your password, then hit Enter.Ĥ. Restart the computer and press shift at the same time until you see the progress bar start movingģ. Shut the computer down by holding the power button for 10 secondsĢ. I had the same issue with my 2008 iMac and Apple support walked me through the fix yesterday.ġ.
