imac mid 2011. how can i use the 2560 by 1600 resolution on a Sony Bravia 4k android TV? i have the mini display cable to hdmi which suports up to 4k resolution. however, the Scaled max is only 1080P. i can't get anything hight than that. i
I am using OS X El Capitan 10.11.1
iMac, OS X El Capitan (10.11.1)