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Black screen upon wake from sleep with 10.8.2

Ever since upgrading to 10.8.2, my 15" MacBook Pro (Late 2008) will regularly have a problem waking from sleep. This initially happened once every couple of days, and now is happening multiple times a day.


The symptoms are as follows: after waking from sleep, the laptop screen remains black. The laptop is non-responsive to any of the keys (including function keys), or the mouse. The computer is actually running at this point (I can remote login via ssh), just not interacting or displaying anything. I've waiting several minutes with no change. Eventually, I either press and hold the power button, or login remotely and shut it down.


I've also noticed the last several times this has happened that the computer had already come out of sleep by itself before I opened it.


This morning, it got worse. Not only was the computer already running, but it was running hot with the fan on high.


This problem was also reported in another thread, but since that thread is now marked "solved" I started a new one. Here is the other thread: Problem with waking from sleep with 10.8.2.

Macs-OTHER, OS X Mountain Lion (10.8.2)

Posted on Sep 27, 2012 7:35 AM

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31 replies

Oct 5, 2012 6:02 PM in response to jadewocky

I installed the supplemtal update and restored my Energy Saver settings to the default last night but I'm not sure if I have left my Mac long enough to get to the deep sleep that causes the problem. I have let it sleep for a couple hours and so far the problem has not surfaced but will need to test the deep sleep state before getting too excited. I was pleased to return to my Mac after a coudple of hours this morning and wake it up without a problem. fingers crossed and I will report back either way.

Nov 16, 2012 6:43 PM in response to jadewocky

I've been having the same issue since upgrading to ML, but this past Monday it happened again and I have been unable to get it to come back. This is on a mid-2007 MBP, and I don't think it's a problem with the graphics. It has only happened on ML and only after sleeping. Usually a couple of reboots fixes the issue, but I've had no luck this whole week.


I've only noticed the issue occur when I put it to sleep when the charger isn't connected. I don't think I've ever had the problem when closing the lid while charging.

Jan 8, 2013 11:02 PM in response to jadewocky

I've a new (late 2012) iMac with 10.8.2 and the supplemental update. I too have been experiencing the 'black screen - won't wake' issue. For now I have turned off computer and display sleep and am about to go through the routine of repairing disk and repairing permissions etc. Hmm, not exactly impressed by this. Is the latest thinking to wiat for the 10.8.3 update?

Feb 10, 2013 1:51 PM in response to jadewocky

I have the same issue on an iMac running 10.7.5 ... try double-swiping to the right on the wireless mouse ...


On my system it shows the widget page and you can move to your dock and access programs. But as soon as you click on any of the programs (aside from right-clicking Quit) you are back to the black screen. Anyhow, might be some way to fix the problem if you can get that far. I tried several things, and ended up power cycling!


Good luck I guess.

Feb 10, 2013 11:48 PM in response to Bryn O

I was helped by a reply elsewhere. I found a simpler version of the suggested ‘fix; worked for me.


It was as follows:


1 - Open the Finder. Hold down the Option key, choose GO from the menu and select LIBRARY.


2 - From the Library drag the CACHE folder to the trash.


3 - Restart.


Since doing that I have not had the problem and that was several weeks ago. The original fix suggested removing the cookies folder as well. This doesn’t seem necessary.


Good luck!

Feb 24, 2013 5:01 AM in response to jadewocky

Count me in here. I regularly get a black screen every second morning since uprgrading to 10.8.2 on my 27" iMac late 2009. Very annoying to say the least. It does not react to the Bluetooth keyboard or mouse. If I touch the power button I hear the hard drive starting to spin. Network seems to be down because I cannot log in remotely using screen sharing. Don't know about ssh because I have DHCP and don't know the IP address.

Mar 28, 2013 5:11 AM in response to jadewocky

Hey guys, look time viewer, first time comment, I too have this same problem, I bought my MPB retina display late 2012, 10.8.2, for the past few months everything is fine, but lately, it went mad, everytime I close the lid, BOOM, I open it, it goes Black, or sometimes, the fan goes at high speed. Few hours ago, I updated to 10.8.3, it went mad every single time I close the lid, previously, only occasionally. 😟 Hope this help? I guess. Thanks jadewocky for opening this thread 🙂.


MacBook Pro

Retina, 13-inch, Late 2012

Processor 2.5 GHz Intel Core i5

Memory 8 GB 1600 MHz DDR3

Graphics Intel HD Graphics 4000 768 MB

Software OS X 10.8.3 (12D78)

Apr 27, 2013 12:40 AM in response to CookieRadiator

Well I have a solution, my mac was in deep sleep means the hard drive goes to sleep I think. So I downloaded this smart sleep mode and it did'nt happen again, probably cause it made some changes (there was a pop-up menu warning me that it will make changes). Then you can delete it if you want too. So yeah it worked for me.


Download link: http://www.jinx.de/SmartSleep.html


This helped me but I'm open to any suggestion other than a third party app. 🙂

Sep 27, 2013 3:47 AM in response to jadewocky

I, too, happen to have a solution! If you ever wake your mac up and see the blank screen, but you know you have open apps and work of any worth not to lose in a forced restart, then all you have to do is:


1. Close the lid back and watchout for the sleeping indicater, wait until it begins to 'breathe.'

2. Open the lid back, there is a 30% chance you're going to see a functional login window, if not, close it back again.

3. Make sure every time you close the lid you wait until it's actually sleeping, then open again. This time, there is a 60% chance you're going to see the login screen.

4. The fourth time time you open the lid, there is a 90% chance it's going to work!


This is more of a preventive case than a curable one, it all depends on the OS state before you closed the lid. Empty the chaches (from ~/Library/) like richardjamesc had suggested earlier and make sure you're not suffocating the RAM; 400 - 500 of free memory space prior to putting the mac to sleep should be suffecient to prevent a blank screen upon wake up.

Black screen upon wake from sleep with 10.8.2

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