However I also think it is incredibly annoying, and Apple should allow local admins to change the System lock screen, but perhaps they have security or technical limitations that make it infeasible. Users should not automatically see other peoples lock screens either after a restart, they are private by default like your Documents, Downloads and Browser History. All UI customizations are at the User level, not System level. If you think about the way an OS is organized, this makes sense. Here Im using macos montereys dynamic wallpaper in big sur as if its native. It will also appear if you select Login Window from your profile pic on the upper right menu bar, or Switch User from your lock screen. Today I found out if we use the mode Dynamic in Desktop & Screen Saver and set the general system appearance to auto, my external heic files can actually use the light AND the dark version automatically as the system changes during the day. The System lock screen will appear when you restart a machine with MULTIPLE users because the OS has no idea which user is about to login. It will also appear on restart if you only have ONE user profile. This screen appears when lock your computer. This article is about the User lock screen image. There is USER one that you can change, and a SYSTEM one that you cannot (easily). There are TWO lock screen images, which this article does not make clear. type: mv /Volumes/Macintosh\ HD/Big\ Sur\ Graphic.heic /Volumes/Macintosh\ HD/System/Library/Desktop\ Pictures/Big\ Sur\ Graphic.heic type: mv /Volumes/Macintosh\ HD/System/Library/Desktop\ Pictures/Big\ Sur\ Graphic.heic /Volumes/Macintosh\ HD/System/Library/Desktop\ Pictures/Big\ Sur\ ġ5. However, that doesn’t mean that you can’t enjoy at least one update both. type: cd /Volumes/Macintosh\ HD/System/Library/Desktop\ Picturesġ4. If you don’t want to try out iOS 14 or macOS Big Sur just yet, that’s fine. copy your own grafic image in to Macintosh HDĪttention!!!! X=your Big Sur disk from 'diskutil list'ġ3. ![]() name your own grafic image as Big Sur Graphic.heicĨ. Now the Big Sur volume should be writableħ. ![]() Found the answer, apparently /System/Library/Desttop Pictures/Big Sur Graphi.heic is where the login screen background loads from.Īttention!!! X=your Big Sur disk from 'diskutil list'
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