![]() ![]() To get the Login to use it, we update the preboot in Terminal, enter the following command: diskutil apfs updatePreboot / Using the Finder, navigate to Macintosh HD > System > Library->Desktop Pictures and right click (Command Click) to rename Catalina.heic to (be careful and make sure you pick the correct one, there are a lot of “Catalina” pictures/files).Ĭopy (drag) Catalina.heic from your desktop into Macintosh HD > System > Library->Desktop Pictures In Terminal, enter the following command: sudo mount -wu / killall Finder Replace disk1s5 with the identifier for your system partition (you can find this in Disk Utility by clicking Info with the partition selected, then looking next to BSD device node). Launch Terminal and enter the following command: sudo mount -t apfs -wu /dev/disk1s5 /Volumes This turns off System Integrity Protection In terminal, type the following command and press Return: csrutil disable ![]() When in recovery mode, click on the top drop down menu "Utilities" and launch Terminal I compiled these instructions from several others, so I deserve no credit for this.įind the wallpaper/picture you want to use as the new login wallpaper, copy it to an easy to find location (like the desktop), and rename it Catalina.heicīoot into recovery mode by holding down Command R when booting the computer (hold down Command R until you see the Apple logo) I have been successful in changing the Catalina login wallpaper and have (easy) instructions below that I think will help.
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