How do I disable retina mode/HiDPI on macOS Mojave on the built-in display of a MacBook Pro (15-inch, 2017)? I want to test non-retina/non-HiDPI mode on macOS Mojave on the built-in display of a MacBook Pro (15-inch, 2017). I found articles that suggest enabling the option sudo defaults write /Library/Preferences/com.apple.windowserver.plist DisplayResolutionEnabled -bool true, restarting the computer, opening System Preferences, selecting Displays, and holding down the option ⌥ key when selecting Scaled should show a list of all available resolutions, including non-HiDPI resolutions; however, I just see the following:
You can use the free App Display Menu.