Options for changing desktop picture and screen saver are in System Preferences, but I can not figure out how to change the default Big Sur graphic design background image on the lock screen (where you log in & out.)
MacBook Pro 15″, macOS 10.14
I posted a solution here: https://discussions.apple.com/thread/252056512
Hi all! I tried the solution posted above and had no luck. However, I finally found a way to make the login screen the same as the desktop background picture. To do this, click on the apple at the top left corner, then click on "Lock Screen". Put in your password and your login screen will be the same picture as your desktop background! Hope this helps.
oh wow, this comment was veryyyy helpful. The other comment was too complex and now I'm questioning their intent. Anyways, thanks for posting!
This didn’t work for me.
It did not work for me either.... :(
And to be fair, not even the "complex solution" did work...
Not happy with this limitation from Big Sur....
Any other idea?
It is likely stored in the Read-only portion of the OS.
I don't know where the file is stored, but since Apple has never intended for it to be modified by the user, it is likely in the Read-only volume.
You would need to first figure out what file needs to be replaced, then mount that read-only volume as read/write (i.e., boot from another drive or access in Recovery via Terminal).
Thank you!
Hard to believe users are not meant to change the login wallpaper!?!
You're welcome! Apple is a bit weird when it comes to customisation...
How do I change the macOS Big Sur default lock screen picture?
