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macOS 10.15.7 Update

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This version is unable to run the latest nvidia patcher on my system. Back up before you try the patch! 3rd party kexts in L/E can crash the system while booting, careful with that, too.
 
Always happy to report a successful upgrade via System Preferences
3 Reboots, a total time of about 27:30 seconds
Clover 5199
Latest AppleALC, Lilu, and WhateverGreen

Screen Shot 2020-10-23 at 3.38.03 PM.png


I manually updated kexts (I tried updating them via Clover Configurator, but the kexts it added didn't have version numbers; didn't want to risk it)

Here are handy, direct links to the kexts on Github:

Apple ALC 1.5.3

Lilu 1.4.8

Whatever Green 1.4.3

——————————————————————————————
Ran installer from System Preferences
3 Reboots, a total time of about 27:30 seconds

Time - What you see on screen
Clicked "Update"
3 min Black Screen White Apple - progress bar

1 min REBOOT to BIOS, Clover Bootloader: choose "Boot MacOS, Install from HardDriveName - Data"
2 min White Screen Gray Apple -> Blank White Screen (10 seconds) -> Black Screen White Apple "Estimated time…"

1 min REBOOT to BIOS, Clover Bootloader: choose "Boot MacOS, Install from HardDriveName - Data"
1 min White Screen Gray Apple -> Blank White Screen (10 seconds)
6 min Black Screen White Apple "Estimated time… 42 minutes"*

2 min REBOOT TO BIOS -> Clover Bootloader: choose "HardDriveName"
10 min White Screen Gray Apple -> Black Screen White Apple "Estimated Time… 10 minutes"

* It said 42 minutes, but only took 6 minutes
 
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Graphics patch didn't work, library validation had to be disabled. Graphics acceleration seems slow. I'm checking if everything else works. I think ICH0R patches were necessary. Booted successfully with Clover 5119.

Screen Shot 2020-10-25 at 22.46.52.png
 
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Idk if this a successful installation or not,

Screen Shot 2020-10-26 at 14.26.08.png


cause I still have this on clover boot :/

screenshot0.png
542891.jpg
 
All good here. It took about 15 minutes and for me there was a long period of no activity after the first reboot (Apple logo, progress bar bu NO time estimation shown). Then it kicked into life with a time estimation and carried on ok.

Opencore 0.6.1, ASRock Z490M-ITX/ac.
 
Clover 5126 broke all of my bootable options. They were still visible but when selected the screen would just freeze at the bootloader. Fortunately I had a bootable usb with 5102 to recover. I then installed 5120 which allowed the update from 10.15.3 to 10.15.7 to work.
 
There is a new Catalina release 19H4 available, anybody know what it fixes ? Little seems to be known about this particular Catalina iteration.

Regards Henties
 
There is a new Catalina release 19H4 available, anybody know what it fixes ? Little seems to be known about this particular Catalina iteration.

Regards Henties
The build should be exclusive for the 2017 21.5-inch iMac.
 
had to boot from the preboot partition, update took 7 minutes
everything looks fine
 
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