switchResx Os X Ultra Wide 21:9 fix

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Using switchresX, os X can display resolutions bigger than 1080p through HDMI and DVI cables. If one have osx El Capitan, must first desactivate SIP ein order to create the custom resolutiom file. http://www.madrau.com/support/support/srx_1011.html

Settings from http://surajms.com/2015/04/fixing-switchresx-saving-issue/

SwitchResX

To get SwitchResX to save the settings.Follow the instructions in these instructions:

  • Create a new user on the mac
  • Install the SwitchResX application,this will start the 10 days trial.
  • Create the resolution profile and save it.
  • It should prompt you to reboot the mac.Please do so.