30hz

Hi guys, I have been at this for hours and hours and its frustrating me very much. I recently purchased a 4k monitor and was unable to achieve 60hz on HDMI, then I learnt I needed to use DisplayPort to Mini Display port. So I purchased a DP > MiniDP cable and I am now using it, though I'm...

Hello All, I'm hoping some can shed some light on an issue I've been having. After my recent purchase of the Apple TV 4K I decided to try out the HDR setting to see what it does. I have a two-year old Samsung UN55JU6400 so I don't have any options to enable the HDR settings but the ATV4K will...

Hi, I first contacted Apple regarding this and they said that it should work and that I should contact Dell regarding this issue. I'm using the included mDP > DP cable, MST off. I have the latest version of OS X. I even tested another mDP > DP cable, but it still didn't work. Any ideas? Thanks!