- Joined
- Nov 26, 2018
- Messages
- 354
- Motherboard
- GIGABYTE Z390 AORUS PRO WIFI
- CPU
- i7-8700K
- Graphics
- Vega 64
- Mac
- Mobile Phone
I finally moved over to Big Sur yesterday. I was a bit surprised when the old path of replacing the system logo didn't work. Took me a bit to figure out how to get it to work, but here we are.
Process I took.
First you'll have to disable secure boot.
Boot into Recovery.
Open Terminal
Code:
csrutil disable
csrutil authenticated-root disable
Reboot.
Ensure SIP is fully disabled.
csrutil status
Figure out which is your Big Sur drive.
In my case it's disk 5. With OS X being s5, so for me it is disk5s5, which we will use to mount our partition in order to modify the logo.
Mount the drive and open the relevant folders.
Code:
sudo mount -o nobrowse -t apfs /dev/disk5s5 ~/Desktop/Logo/back
sudo mount -uw ~/Desktop/Logo/back
open ~/Desktop/Logo
open ~/Desktop/Logo/back/System/Library/PrivateFrameworks/SystemDesktopAppearance.framework/Versions/A/Resources/
Backup your current Assets.
Code:
cp -p ~/Desktop/Logo/back/System/Library/PrivateFrameworks/SystemDesktopAppearance.framework/Versions/A/Resources/Assets.car ~/Desktop/Logo/Backup
Terminal copy. If it gives you an error, then manually copy in finder.
Code:
cp -p -f ~/Desktop/Logo/Assets.car ~/Desktop/Logo/back/System/Library/PrivateFrameworks/SystemDesktopAppearance.framework/Versions/A/Resources/
Manually copy Assets.car to ~/Desktop/Logo/back/System/Library/PrivateFrameworks/SystemDesktopAppearance.framework/Versions/A/Resources/
Finally use bless to create a snapshot. If you don't do this, you may have to reinstall the OS on the next reboot (ask me how I know )
Code:
sudo bless --folder ~/Desktop/Logo/back/System/Library/CoreServices --bootefi --create-snapshot
With the backup of your Assets (or the one I have zipped). You can use ThemeEngine to modify the car file.
The one that works with Big Sur and Catalina is over at github
jslegendre/ThemeEngine/releases
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