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MacBook Air boots with black screen and cursor

MacBook Air will not boot up past black screen and cursor

MacBook Air, Mac OS X (10.7.5)

Posted on Mar 14, 2014 5:28 AM

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Posted on Mar 17, 2014 6:11 AM

I had the same issue with my 2008 iMac and Apple support walked me through the fix yesterday...

1. Shut the computer down by holding the power button for 10 seconds

2. Restart the computer and press shift at the same time until you see the progress bar start moving

3. 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.

4. After a moment, you should see the spinning beach ball

5. Your screen should then move on to something along the lines of "Completing OSX Installation" (I can't remember the exact wording). Let it finish. After that it should go to your normal desktop and the issue should be fixed. (If your screen goes pitch black during this process, hit the space bar. I thought it wasn't working, but the screen was just sleeping).

Apparently it's an issue with an automatic update that never quite got past the login screen.

Hope this helps!

47 replies

Jul 18, 2014 5:24 PM in response to frazerandmac

This solution didn't work for me. So I looked further and ran into a video on Youtube (type "mba screen goes black youtube" into Google and it will show up on the top of the search results page) and it shows a very simple, but ridiculous solution -- pick your computer up off your lap or the table and the screen will appear again. We tried it and it worked. We had a great laugh, but goodness, Apple, there is a deeper problem here. With a computer purchased brand new six days ago, something like this should never happen. My fear is that the problem will return shortly after the Return Policy or Warranty run out. Then what do we do? So to avoid that, we'll return the computer tomorrow and be done with it.

Aug 3, 2014 7:52 PM in response to Krb328

Hey all- jesseinma's solution did not work for me, nor did the PRAM restart and certainly didn't want to erase my HD.


Apple knows this is an issue and has now dedicated a team to fixing the problem in their call center. Call them!


The Apple tech walked me through entering in some code (after holding down Command S) that took care of the problem and it took less than 10 min to do. I'm sorry I didn't save exactly what he told me to enter in.


Call them!!!

Aug 3, 2014 7:53 PM in response to frazerandmac

Hey all- jesseinma's solution did not work for me, nor did the PRAM restart and certainly didn't want to erase my HD.


Apple knows this is an issue and has now dedicated a team to fixing the problem in their call center. Call them!


The Apple tech walked me through entering in some code (after holding down Command S) that took care of the problem and it took less than 10 min to do. I'm sorry I didn't save exactly what he told me to enter in.


Call them!!!

Aug 13, 2014 1:12 PM in response to frazerandmac

Here's what Applecare had me do:


-Turn the computer off


-Restart holding Command-S


-text scrolls on the screen, and then ends with a cursor


-enter:


mount -uw /

cd /Library/Preferences

mv com.apple.loginwindow.plist com.apple.loginwindow.plist.old


-restart


The problem is a bad update that messes with the login window. Deleting the file above has the computer reset it. When it restarts, you'll be asked to re-accept your operating language and re-enter your Apple ID, but unlike the method that has you erase your hard drive, all your data is preserved.

Aug 16, 2014 11:46 PM in response to RHG-Amherst

Simple worked for me.

I tried and tried to try all of the solutions on this page but sadly none of them worked.

When I started out with cmd-S and tried to input the various commands the message was 'file could not be found.etc.

Whoa!


About to pull out my remaining hair out and give up, I thought I would simply try the command

reboot (This was after starting up with cmd-S, waiting for all the data to load and then just inputting reboot.)

Miracle of miracles it worked!!


I hope it might work for you. If it doesn't it's a very short and quick operation. Good luck.


Thanks to everyone who went before this to get me to this stage.

MacBook Air boots with black screen and cursor

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