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macOS 10.15 Catalina on Unsupported Macs

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Hi! i have a problem. I'm instal catalina from catalina patcher 1.3.0 on my iMac 27 from 2011 with AMD 6970 2048mb..
It's runing but not smooth, it have some lags on graphics (like animations, mouse move).
What i can do? Can I disable the dedicated GPU? or how i can back to high sierra? (recovery mode not work, imac beep 3 times) 😞
 
No issues using v1.3.1 on my cMP 4,1/5,1 either. Just had to apply Night Shift via Patch Updater again as usual.
Thanks @dosdude1

cMP 5,1 @ 10.15.4 (19E266).png
 
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On my MacPro 3,1 with NVIDIA GTX 680 card, upgrade to 10.15.4 was successful, not with a USB Stick (no upgrade after reboot) but with an external USD drive as it was the case since the upgrade to the original Catalina system. No post install necessary also. Everything is working and BIG THANKS to Dosdude. His new patcher works as usual.......
 
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All people reporting successful instalations are in MacPros... anyone had a succussful instalation using latest patch with a non MacPro?
 
muszek92 said:
Hi! i have a problem. I'm instal catalina from catalina patcher 1.3.0 on my iMac 27 from 2011 with AMD 6970 2048mb..
It's runing but not smooth, it have some lags on graphics (like animations, mouse move).
What i can do? Can I disable the dedicated GPU? or how i can back to high sierra? (recovery mode not work, imac beep 3 times) 😞
Click to expand...

1585136556309.png


Going back to High Sierra requires Re-Installation from scratch (and recovering data from your Timemachine backup).
 

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Panurus said:
@dosdude1 Latest patch does not work for me, the installation got stuck after a reboot with the apple logo and a completed progressbar 😰

Using a MacBook pro 2010 17”
Click to expand...
Same too me its stuck and nothing happening. Did you find any solution?

iMac 9,1 Radeon 4850
 
Everything seems to be working fine after creating a 10.15.4 patched Catalina installer with Catalina Patcher 1.3.1, but I did see the oddity below. In order to purge out the 'viral' AAAMouSSE.kext which is unwanted on a MacPro 3,1 with GTX680, I normally execute...

sudo mount -uw /
cd /Library/Extensions
sudo rm -rf AAAMouSSE.kext
cd /
sudo kextcache -i /

However the kernel cache rebuild command produced this output...

Kext with invalid signature (-67054) allowed: <OSKext 0x7fc2421e1f70 [0x7fff888d08c0]> { URL = "file:///System/Library/Extensions/IOATAFamily.kext/", ID = "com.apple.iokit.IOATAFamily" }
Kext with invalid signature (-67054) allowed: <OSKext 0x7fc2425376e0 [0x7fff888d08c0]> { URL = "file:///System/Library/Extensions/IO80211Family.kext/", ID = "com.apple.iokit.IO80211Family" }
Kext with invalid signature (-67054) allowed: <OSKext 0x7fc242240bc0 [0x7fff888d08c0]> { URL = "file:///System/Library/Extensions/AppleHDA.kext/", ID = "com.apple.driver.AppleHDA" }
Kext with invalid signature (-67050) allowed: <OSKext 0x7fc242004370 [0x7fff888d08c0]> { URL = "file:///Library/Extensions/SIPManager.kext/", ID = "com.parrotgeek.SIPManager" }
Kext with invalid signature (-67062) allowed: <OSKext 0x7fc24070bb10 [0x7fff888d08c0]> { URL = "file:///Library/Extensions/LegacyUSBInjector.kext/", ID = "com.parrotgeek.LegacyUSBInjector" }
Kext with invalid signature (-67030) allowed: <OSKext 0x7fc240704bf0 [0x7fff888d08c0]> { URL = "file:///Library/Extensions/LegacyUSBVideoSupport.kext/", ID = "com.parrotgeek.LegacyUSBVideoSupport" }
Invalid signature -67050 for kext <OSKext 0x7fc242004370 [0x7fff888d08c0]> { URL = "file:///Library/Extensions/SIPManager.kext/", ID = "com.parrotgeek.SIPManager" }
Invalid signature -67030 for kext <OSKext 0x7fc240704bf0 [0x7fff888d08c0]> { URL = "file:///Library/Extensions/LegacyUSBVideoSupport.kext/", ID = "com.parrotgeek.LegacyUSBVideoSupport" }
KernelCache ID: 170E811B38212F3B1C594153C125A299
File at path '/Library/Apple/System/Library/PrelinkedKernels/prelinkedkernel' changed, cannot be used
Child process /usr/sbin/kextcache[781] exited with status 77.
Error 107 rebuilding /Library/Apple/System/Library/PrelinkedKernels/prelinkedkernel

At that point, I used the Patch Updater (which had autolaunched) to apply the Night Shift patch and rebooted. Night Shift is working fine so I assume the kernel cache finally got rebuilt. However that Error 107 for the manual rebuild was odd.
[automerge]1585139900[/automerge]
Also, is it my imagination or is 10.15.4 zippier than 10.15.3 on a MacPro 3,1?
 
Panurus said:
All people reporting successful instalations are in MacPros... anyone had a succussful instalation using latest patch with a non MacPro?
Click to expand...
I am on 10.15.2 on an iMac 2011 and I can't upgrade. I tried to apply the update via the macOS Catalina Patcher. The download works, the machine start the patched installer and reboot but when rebooting the computer gets stucked on the Apple logo with the progress bar at 100%.
I tried to create a new 10.15.4 boot drive with the patcher, same issue.
Take note I did download the new 1.3.1 patched update first, and my Mac is running of a Quadro K2100m.
 
@dosdude1 Latest patch does not work for me either, the installation got stuck after a reboot with the apple logo and a completed progressbar I start with verbose and stuck here;

Looks like problem is CoreGraphics.frameworks. Is it possible to fix this?

@Panurus @fabienpascal please you are try boot in verbose and share your screen here. Problem is the same or different we can see it in that way.
When you here the boot chime press and hold command+v until seeing verbose screen.

image.jpg
 
Last edited:
All went well. Thanks dosdude! Now, as far as the 10.15.4 update is concerned, I am very unhappy to report that apple music is the same crawling bundle of crap it was in all previous versions. I am expecting an announcement from Apple stating that for music to run efficiently one needs 56 cores and four mpx modules.
 
telepati said:
@dosdude1 Latest patch does not work for me, the installation got stuck after a reboot with the apple logo and a completed progressbar I start with verbose and stuck here;
Looks like problem is CoreGraphics.frameworks. Is it possible to fix this?
@Panurus @fabienpascal please you are try boot in verbose and share your screen here. Problem is the same or different we can see it that way.
When you here the boot chime press and hold command+v until seeing verbose screen.

View attachment 901183
Click to expand...

The verbose message "AMFI SIP is off allowing core dump" means simply that AMFI is enabled again, with that message surely you can't boot to 10.15.4 GUI, to force boot with patched video frameworks try this from single user mode (holding CMD+S after power-on to enter single user mode shell):

Code: 
mount -uw /
nvram boot-args="-no_compat_check amfi_get_out_of_my_way=1"
reboot
 
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jackluke said:
The verbose message "AMFI SIP is off allowing core dump" means simply that AMFI is enabled again, with that message surely you can't boot to 10.15.4 GUI, to force boot with patched video frameworks try this from single user mode (holding CMD+S after power-on to enter single user mode shell):

Code: 
mount -uw /
nvram boot-args="-no_compat_check amfi_get_out_of_my_way=1"
reboot
Click to expand...


Had the same issue on my 13" MBP early 2011, your solution didn't help
 
burtsevmax said:
Had the same issue on my 13" MBP early 2011, your solution didn't help
Click to expand...

Try again those commands booting from an USB Catalina Patcher with a recovery Terminal, sometimes from single user mode they aren't stored in nvram.

Then before reboot, check that they are stored on the boot-args line with nvram -p
 
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jackluke said:
Try again those commands booting from an USB Catalina Patcher with a recovery Terminal, sometimes from single user mode they aren't stored in nvram.

Then before reboot, check that they are stored on the boot-args line with nvram -p
Click to expand...

double checked with nvram -p, boot args are stored in nvram
 
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