Dell P2416D (Vendor 10AC, Product A0C3) is 2560x1440, but my Mac OS X (on Macbook Pro Mid 2010 connected via Thunderbolt with Mini Display Port cable) doesn't have corresponding file in /System/Library/Displays/Overrides and when I used the SwitchResX Control application taking values from http://content.etilize.com/User-Manual/1030957703.pdf after reboot this settings were stated as "invalid":

enter image description here

P.S.: the https://gist.github.com/adaugherity/7435890 didn't reveal the desired resolution.


I jut had to connect to Display Port instead of HDMI.


Use Display Port connector on the monitor - miniDP to DP cable plugged into Thunderbolt (miniDisplayPort) on Mac solves the problem.

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .