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Created Jun 10, 2017
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SwitchResX Configuration

#SwitchResX Settings for LG 21:9 UltraWide

SwitchResX is a utility that allows users to override the default resolution settings in OSX. For more information, including download links, vist http://www.madrau.com/ .

##Disabling System Integrity Protection (SIP)

If you are running OSX 10.11 or higher, SIP must be disabled. To disable SIP do the following:

  • Boot into the recovery partition by pressing CMD + R when starting up your Mac.
  • Once in recovery mode, open a terminal window.
  • Type the command csrutil disable
  • Reboot

##Adding Custom Settings

  • After launching SwitchResX, select the external monitor from the list on the left.
  • Select the 'Custom Resolutions' tab.
  • Add a new custom resolution be clicking the + symbol at the bottom of the window.
  • Adjust the settings to match the appropriate PNG provided in this gist.
  • Press 'Ok'
  • Close SwitchResX and save when prompted.
  • Restart your Mac.

After following these steps, you should be able to adjust the resolution of your external monitor through the 'Display' window in System Preferences.

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