I was experimenting with SwitchResX software, and thought it would be a good idea to change the refresh rate to 83 Hz. When I rebooted the laptop, the screen looked like this

mac screen

Is there any way to fix this? I am running macOS Mojave.

  • Welcome to Ask Different :) Try reversing the setting by following the instructions in this support article. – Nimesh Neema May 30 '19 at 20:17
  • @Nimesh Neema Thanks for the article, but none of it worked for me. I cannot boot into single user mode, recovery mode, or safe mode. – Just Another Person May 30 '19 at 20:38

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