second screen problem
i just add a second display to my iMac i used thunderbolt to hdmi-to dvi and my screen keeps blinking does anyone have the same problem?should i use thunderbolt straith to dvi ?
iMac, OS X El Capitan (10.11.1)
Use a Mini Displayport to DVI, this assumes the external display has a DVI input. One like:
http://www.monoprice.com/Product?p_id=5106&gclid=COvo6_CAlskCFUmUfgodJn8BBA
should be fine.