Hello, i recently purchased a thunderbolt to hdmi cable for my 2013 imac with hopes of using my 4k tv as a second monitor. Shortly after connecting the two, I noticed terrible 30hz refresh rate and later read that 60 hz in 4k is not possible. Does anybody know If i could do 1080 60hz? and how to set that up? I have been in the display settings and manually changed my resolution to 1080p with no luck in changing the hz.
Thanks!
Thanks!