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Level 1

28 points

After upgrade to 10.12.2 macbook pro has black screen

Last night I did upgrade my MBP in 10.12.2

While updating the MBP has launched a sound shrill and is locked for a while, but after a while he completed the update and I could use the Mac for the rest of the evening.

This morning, however, after boing Startup and the appearance of the apple, it appeared a black screen with only the visible white cursor and the Mac no longer worked.

I tried resetting the NVRAM, the SMC reset, but it did not do anything. When started in Safe Mode I can get to enter the password of my profile, but after still has to be black screen.

I rebooted into recovery mode to do a test to the system disk, but that's ok.

The problem continues as before.

I asked Apple service if it was a known issue and if they had a solution to give me, that was not to reinstall your MacOsX and recovering from a Time Machine backup, but they refused to give me information because the MacBook Pro obsolete.

It 'happened to someone else and was able to solve it?

The my mac configuration is:

MacBook Pro 13" early 2011, 16GB RAM, Startup Disk SSD Crucial MX500 1TB

MacBook Pro (13-inch Early 2011), macOS Sierra (10.12.2)

Posted on Dec 14, 2016 3:17 AM

Best reply

thebigdog2011

Level 1

13 points

Posted on Jan 7, 2017 9:42 PM

I've had this issue for over a month and, to make a very long story short, was on with apple support again today and guess what solved it? ENTER YOUR PASSWORD AGAIN.

That's it. I couldn't believe it.

They had me restart, which I did, and as soon a I entered my profile credentials my screen went black. He told me to enter my password again and it bloody worked.

And just a few minutes ago I woke it up from sleep. Guess what? black screen. I didn't panic, typed my password and it came to life.

This is an issue that they have now acknowledged that seems to be random with Sierra 10.12.2.

Hope this can work for you as well.

Mark

View in context

63 replies

Dec 23, 2016 1:28 PM in response to Eddie Ski

Well..looks like a restore from TimeMachine is required.

Might try the suggestions of deleting some plist but this is not a good update and I recommend if still on 10.12.1 to disable auto update.

Dec 23, 2016 1:30 PM in response to francesco238

Had the same problem.

What I did after talking with Apple was: Re-instaled macOS Sierra, problem still there, booth into safe mode and login into guest account, create new user as admin and DISABLE auto-login, reboot and the black screen problem no longer there.

For me it seems that with the latest update (10.12.2) the auto-login is screwed up.

Dec 23, 2016 2:51 PM in response to EdwinZelf

This solved the problem!

Thank you!

ruthndul

Level 1

5 points

Dec 23, 2016 3:05 PM in response to francesco238

Happened to me.

Restored to 10.12.1 instead of trying single user mode.

Took 6 hours to restore!

I wish I knew this solution before restoring.

Turned automatic update off.

Apple must've a serious problem with updates very often (taken from wikipedia).

Version	Build	Release date	Darwin	Notes	Standalone download
10.12	16A323	September 20, 2016	16.0.0	Original Mac App Store release	N/A
10.12.1	16B2555	October 24, 2016	16.1.0	About the macOS Sierra 10.12.1 Update	macOS Sierra 10.12.1 Update
10.12.1	16B2657	October 27, 2016	16.1.0	About the macOS Sierra 10.12.1 Update	macOS Sierra 10.12.1 Update
10.12.2	16C67	December 13, 2016	16.3.0	About the macOS Sierra 10.12.2 Update	macOS Sierra 10.12.2 Update macOS Sierra 10.12.2 Combo Update
10.12.2	16C68	December 14, 2016	16.3.0	About the macOS Sierra 10.12.2 Update
10.12.3 Beta 2	16D17a	December 20, 2016	16.4.0	N/A	N/A

tontk

Level 1

8 points

Dec 26, 2016 7:10 AM in response to dnmx

THis solves it. Looks like we should expect 10.12.3 pretty soon, **** you apple.

Keep Calm and type in your password. lol

Dec 28, 2016 6:10 AM in response to Charles Campbell2

This works, and is the only thing I tried that did. Pay attention to exactly how you type in command, and you'll be fine.

Dec 31, 2016 8:01 AM in response to francesco238

Same problem. Like someone else says it appears to be a problem with the update hanging. Last night I was able to see the login screen, click on my profile and enter the password. Then the OSX starts, I see some notifications in the upper right but ultimately end up with a cursor and a black screen. I can go to the lower right and make the dock appear briefly but otherwise totally unusable. Phone Support was no help. Checked the disk, reset NVRAM, SMC etc. No change. This morning I started it up again and suddenly had a Guest User login option which I never had before. Very weird. I can login to the guest user with no problem but can;t switch back to my user profile. In the end I opted to reinstall from a time capsule backup (5 days old) which is currently in progress. The guest user showed OSX 10.12.2 beta and my other machine updated overnight to 10.12.3 beta. It's clearly an issue with the update. 2012 MacMini. I am afraid to update my other 2011 MacMini.

sadf34

Level 1

8 points

Jan 1, 2017 12:30 PM in response to gimisis

Thanks a lot!!!! This did work for me, and you really saved my day!

Jan 6, 2017 8:31 PM in response to splurben

Kirk---You could also try to install the Mac OS 10.12.3 beta through the beta program. I have several machines running that version and I've had no issues.