external mac monitor blackscreen - default resolutions on retina wrong

SwitchResX - FAQ - it broke everything

https://gist.github.com/ejdyksen/8302862

external mac monitor blackscreen - default resolutions on retina wrong

sudo rm -Rf /private/var/db/.com.apple.iokit.graphics
sudo rm -Rf ~/Library/Preferences/ByHost/com.apple.windowserver.plist
sudo rm /Library/Preferences/com.apple.windowserver.plist

rm /Library/Preferences/com.apple.windowserver.plist

rm ~/Library/Preferences/com.apple.windowserver.plist

cd /System/Library/Displays/Contents/Resources/Overrides/

sudo defaults delete /Library/Preferences/com.apple.windowserver.plist DisplayResolutionEnabled


/System/Library/Displays/Contents/Resources/Overrides

/Library/ColorSync/Profiles/

~/Library/ColorSync/Profiles/