Monitor sleeps after Upgrade to 10.12.1

[Private_PAULA]

View media item 187719
YES! for the Update to 10.12.1 i have changed to iMac 14.2. After successful Update Install, i change it back to Mac Pro 6.1 definition and run the AGDPfix. Now it works (again).

Thanks for help!

 

[Sarpenton]

Hi, sorry but I have the same problem after upgrading to 10.12.1 sierra. does not see the second monitor, what should I do?
thanks and sorry.