Greenish screen after wake up using external monitor

I use an 23" hp monitor with my MacBook Pro 2012. Now I have upgraded to Mavericks, after I wake up the machine from sleep the screen looks like this (a greenish screen).

I have to open the machine itself inorder to have a proper colour on the ext. monitor again.

MacBook Pro (13-inch Mid 2012), OS X Mavericks (10.9)

Posted on Oct 24, 2013 2:32 AM

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32 replies

Feb 8, 2014 3:43 PM in response to HRD011

I have the same issue with the pink display after wake. It doesn't matter if my laptop is open or closed.


Unplugging and replugging the Thunderbolt display works to correct it, but that's annoying to have to do if my laptop is not right in front of me.


I've also found that if I adjust the resolution or orientation of the screen in Display Preferences, it corrects itself without needing to be unplugged.

Mar 22, 2014 8:24 AM in response to MJP1SkIllS

Just discovered this for the first time today after my monitors had been sleeping for an hour or so.


Mac Mini 2012 - Mavericks 10.9.2

Samsung SA350 24" monitor using 0.5m HDMI to HDMI


My second monitor is another Samsung BX2235 using Thunderbolt to DVI. This screen remained fine. Had to shut down and restart and in order for all to be ok again.

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Greenish screen after wake up using external monitor

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