how do I change the background image of the login screen on Big Sur ?
The login screen has the standard Big Sur multicolor background image. How do I replace it with an image of my own ? Thank you for the answer.
iMac 21.5″, macOS 11.2
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if you are the sole user (not even a guest account) AND file vault is turned off you can go to System Preferences > Users & Groups > Login Options and set "Display login window as" to "List of users". then your login screen matches your desktop background.
if you are using file vault or have multiple users, the above will not work. if that's your situation, you will need to wait for apple to address this. it may be worth your time to send feedback directly to apple. Feedback - macOS - Apple.
