HT204210: About the OS X Yosemite v10.10.2 Update

Learn about About the OS X Yosemite v10.10.2 Update
MtnDog01

Q: MBP unable to have three displays after 10.10.2 update

I've been running three displays successfully since 10.9 - two TB->DP and 1 HDMI->DVI.  After the update to 10.10.2 only two displays are recognized when all three cables are plugged in. However when only two displays are connected - in any combination - both are detected, so it seems the ports are working properly just not with all three plugged in.  No applications are running (or on auto-start) that have anything to do with display except BetterSnapTool.

 

Is there a way to re-enable the ability to have 3 displays?

MacBook Pro with Retina display, OS X Yosemite (10.10.2), Late 2013

Posted on Feb 17, 2015 9:46 AM