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I was using safari to watch netflix on fullscreen, and suddenly my display split like the photo below.
I can fix it by going to Displays and changing the resolution to Default.
I'm just wondering why this happened? Is there a fix to this so that I don't have to keep going back to System Preferences -> Displays to fix it.
iMac Line (2012 and Later)
Go step by step and test.
1. Update Safari, if an update is available. Update may come with bug fixes.
https://support.apple.com/en-us/HT204416
https://support.apple.com/en-us/HT201541
2. Quit Safari, launch Safari holding the Shift key down.
https://support.apple.com/en-us/HT203987
3. Startup in Safe Mode. https://support.apple.com/guide/mac-help/start-up-your-mac-in-safe-mode-mh21245/mac.
Quote:
It also does a basic check of your startup disk, similar to using First Aid in Disk Utility.
And it deletes some system caches, including font caches and
the kernel cache, which are automatically created again as needed.
4. Clear History
https://support.apple.com/guide/safari/clear-your-browsing-history-sfri47acf5d6/mac
Please read the article before clearing history,
this is like a low level resetting of Safari without affecting passwords and bookmarks.
5. If Safari doesn't open a webpage or isn’t working as expected
Go step by step and test.
1. Update Safari, if an update is available. Update may come with bug fixes.
https://support.apple.com/en-us/HT204416
https://support.apple.com/en-us/HT201541
2. Quit Safari, launch Safari holding the Shift key down.
https://support.apple.com/en-us/HT203987
3. Startup in Safe Mode. https://support.apple.com/guide/mac-help/start-up-your-mac-in-safe-mode-mh21245/mac.
Quote:
It also does a basic check of your startup disk, similar to using First Aid in Disk Utility.
And it deletes some system caches, including font caches and
the kernel cache, which are automatically created again as needed.
4. Clear History
https://support.apple.com/guide/safari/clear-your-browsing-history-sfri47acf5d6/mac
Please read the article before clearing history,
this is like a low level resetting of Safari without affecting passwords and bookmarks.
5. If Safari doesn't open a webpage or isn’t working as expected
Clearing the history fixed it.
Thank you.
screen split
