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change wallpaper on login screen?

CLS7

macrumors regular
Original poster
Jul 13, 2016
124
49
Malmoe, Sweden
Is it possible to change the wallpaper on the login screen in Catalina? On Mojave it was easy to change the wallpaper by change the "Mojave.heic" file under desktop pictures folder. When I look in this folder on Catalina I still see Mojaves wallpaper picture, not Catalina.
 

h9826790

macrumors G5
Apr 3, 2014
14,705
7,158
Hong Kong
Is it possible to change the wallpaper on the login screen in Catalina? On Mojave it was easy to change the wallpaper by change the "Mojave.heic" file under desktop pictures folder. When I look in this folder on Catalina I still see Mojaves wallpaper picture, not Catalina.

I haven't try it yet, but seems now in System/Library/Desktop Pictures/
Screenshot 2019-07-18 at 1.17.12 PM.png
 
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CLS7

macrumors regular
Original poster
Jul 13, 2016
124
49
Malmoe, Sweden
Strange, I cannot find that file in my folder, is it a hidden file?
[doublepost=1563427779][/doublepost]
[doublepost=1563427816][/doublepost]I found it now :)
 
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CLS7

macrumors regular
Original poster
Jul 13, 2016
124
49
Malmoe, Sweden
Damn it! I can't replace Catalina.heic file in the desktop pictures folder, seems to be in read-only mode. Well, happy days...
 
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TimothyR734

macrumors 68030
Apr 10, 2018
2,638
2,626
Logsden Oregon
You might try this unzip this put it in your Library/LaunchDaemons folder the reboot then try and replace the Catalina Heic
 

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  • CatalinaAutoMountWritable.plist.zip
    972 bytes · Views: 47
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h9826790

macrumors G5
Apr 3, 2014
14,705
7,158
Hong Kong
Damn it! I can't replace Catalina.heic file in the desktop pictures folder, seems to be in read-only mode. Well, happy days...

I only did very little test in Catalina, but that file is inside the System folder, need to turn off SIP for modification. So in Catalina, even with SIP OFF still can’t mod it?

BTW, my primary boot drive still Mojave. I can mod anything on the Catalina drive via that.
Screenshot 2019-07-19 at 6.00.18 AM.png
 
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