macOS 12 Monterey on Unsupported Macs Thread

[KennyW]

Something that just occurred to me: why don't you try to customize the EFI (kext, config, etc.) per macOS?
Create a customized EFI for Big Sur and put it on USB stick 1; then customize EFI for Monterey and put it on USB stick 2; even if both initial EFIs are identical at the beginning.
And every time you switch from one macOS to the other, do an NVRAM reset before booting the other macOS.

I don't know if this makes any sense, but this is something I would try in your situation.

Just wonder whether there is a lifespan of the eeprom chip storing the NVRAM data with a limited no. of read/write cycles in reseting ...
Perhaps we won't exceed that even after 10 yrs of usage and perhaps daily NVRAM reset ...

 

[0134168]

Just wonder whether there is a lifespan of the eeprom chip storing the NVRAM data with a limited no. of read/write cycles in reseting ...
Perhaps we won't exceed that even after 10 yrs of usage and perhaps daily NVRAM reset ...

I recommend you to get a reconstructed ROM image, if you are talking about Mac Pro 5,1. Ask @tsialex

 

[KennyW]

Not sure that is entirely valid. With two drive bays in this Mini3,1 - Drive 2 is a 1TB Pioneer SSD w/ four partitions, 3 APFS and one HFS for High Sierra then Mojave, Catalina and Big Sur, all completely up-to-date. Drive 1 is an OWC 500GB w/only a Monterey Beta installed. The cascading crash effect commenced w/Beta 7 and persists to Beta 9. To fix, the RAM modules were replaced to no effect, as some have suggested, the SSD was completely erased and Beta 9 was installed fresh with createinstallmedia USB. Moved or installed apps manually after tedious Control Panel settings. OCLP Step #3, reboot. Ran overnight, sleep/wake perfect, no problems until quitting Safari. No other app would launch after that, eventually Force Quit quit entirely. Cold boot the only recovery. Both drives have latest OCLP_030 Nightly EFI installed.

The non-Monterey multi-boot SSD has NEVER exhibited a cascading crash on any partition. This is a post-Beta 6 Monterey issue, perhaps Webkit-related because the multi-app crash can be precipitated by simply quitting Safari after an hour or so of browsing, commenting, seeing if Otis won the Fat Bear Championship. ?

? . . . . . . . The point being - Multi-boot may not be a factor because mono-booting a Monterey fresh-install Beta 9 is still broken. Too bad because Beta 9 runs great until it doesn't. ?

I only know that multibooting between High Sierra and the other newer macOS (Catalina and Big Sur) would corrupt the pre-boot EFI partition, despite the OSes are in separate disk.
That was a consistent nuisance I encountered previously with no easy solution.
So, finally I have updated the High Sierra to Monterey beta when Big Sur is stable enough as my daily OS.

Besides, the older APFS driver in Catalina does not show (read/write) the Big Sur and Monterey disks, but not the vice versa.

So, can you read/write the other partitions freely when you boot into your Drive 2 ?

 

[LuisN]

Anyone guys? macmini2,1 running Monterey?

32 bit UEFI. 64 bit Necessary. No compatible processors available

 

[houser]

Something that just occurred to me: why don't you try to customize the EFI (kext, config, etc.) per macOS?
Create a customized EFI for Big Sur and put it on USB stick 1; then customize EFI for Monterey and put it on USB stick 2; even if both initial EFIs are identical at the beginning.
And every time you switch from one macOS to the other, do an NVRAM reset before booting the other macOS.

I don't know if this makes any sense, but this is something I would try in your situation.

Thanks. Appreciate the reply and that's kind of what I do now.
However, my main Macbook Pro is a 10,1 with a decent large SSD and it would certainly be nice with a stable simple multiboot setup on there for obvious reasons. But there are workarounds

 

[K two]

I only know that multibooting between High Sierra and the other newer macOS (Catalina and Big Sur) would corrupt the pre-boot EFI partition, despite the OSes are in separate disk.
That was a consistent nuisance I encountered previously with no easy solution.
So, finally I have updated the High Sierra to Monterey beta when Big Sur is stable enough as my daily OS.

Besides, the older APFS driver in Catalina does not show (read/write) the Big Sur and Monterey disks, but not the vice versa.

So, can you read/write the other partitions freely when you boot into your Drive 2 ?

Perfectly, the SSD with the CRASHING b9 fresh install was formatted by the latest Big Sur. High SIerra has not been run since the b9, install. The b9 crash cascade can be triggered by quitting Safari, Firefox, Terminal or Textedit, so far. Your assertion that a HFS partition on a separate SSD can be the cause of crashes on Monterey seems questionable. This started with b7, Monterey ran crash free before that. What changed to enable the problem? If your point is valid, this should have been seen before b6.

 

[AlexSakha67]

Hallo! Hooray installed on his original old hdd disk (MacBook7,1 2010) everything works. Many thanks to the developers we hope that when the official (final) version of Monterey12 comes out, we will also be happy to update our unsupported computers as real modern Apple technology.
Thank you again?

 

[K two]

OCLP fails ? to disable SIP even when set to do so in Item #5>2. Re-installed Nighly TUI to confirm. Console reports SIP is enabled as does SilentKnight. . . . The Monterey Bluetooth crash on every boot and delay prevents B/T KB from being of any use until the Desktop appears. Both ControlCenter and Notifications crash, frequently. b9 has issues! ?

 

[0134168]

OCLP fails 🚧 to disable SIP even when set to do so in Item #5>2. Re-installed Nighly TUI to confirm. Console reports SIP is enabled as does SilentKnight. . . . The Monterey Bluetooth crash on every boot and delay prevents B/T KB from being of any use until the Desktop appears. Both ControlCenter and Notifications crash, frequently. b9 has issues! 🚧

Never worked for me in any version of of OCLP, neither Big Sur nor Monterey, disable the SIP. If you find the solution please let me know.

 

[figyu]

Hallo! Hooray installed on his original old hdd disk (MacBook7,1 2010) everything works. Many thanks to the developers we hope that when the official (final) version of Monterey12 comes out, we will also be happy to update our unsupported computers as real modern Apple technology.
Thank you again?

Do you have a graphic acceleration in your MacBook 7,1 after patching OCLP v. 0.2.5?

 

[rehkram]

I get a screen full of purple&pink static on mine waking up from sleep, but within 2 secs it restores to normal.

My rMBP 10,1 has only done it once so far, on the day of the upgrade. It's been working smoothly here ever since, touch wood.

 

[KennyW]

Perfectly, the SSD with the CRASHING b9 fresh install was formatted by the latest Big Sur. High SIerra has not been run since the b9, install. The b9 crash cascade can be triggered by quitting Safari, Firefox, Terminal or Textedit, so far. Your assertion that a HFS partition on a separate SSD can be the cause of crashes on Monterey seems questionable. This started with b7, Monterey ran crash free before that. What changed to enable the problem? If your point is valid, this should have been seen before b6.

Agree. The mere presence of the HS partition should not cause your problem, and the preboot eEFI corruption happens only when one boots into the HS. However, with SecureBoot disabled, one can still boot into the various different OSes.

My point is that with various different new and old and beta OSes in different partitions of a drive can easily cause cascading problems when bugs occur and difficult to troubleshoot from the interacting EFI files. Not that it is impossible to run such system. Besides, issues are bound to happen with beta anyway

 

[AlexSakha67]

Do you have a graphic acceleration in your MacBook 7,1 after patching OCLP v. 0.2.5?

Hi, graphics acceleration is working)Nightly OpenCore Patcher (TUI) 0.3.0

 

[hvds]

Update
+ Photos 7.0 isn't crashing anymore in this beta 8 installation.
+ And Arduino runs fine without replacement of AppleUSBACM.kext.
- Safari 15.0 and 15.1 still freezing after a while. Firefox 92.0.1 working.

I did update SkyLight with ASentientBot's new versions he gave on Discord in the public-development channel (3 Oct), for SkyLight and SkyLightOld.dylib (using jackluke BigSurmountsrw.app); but Photos still ran well when reverting to the previous version for a test.
Thanks ASentientBot! Great work hidden behind one of your nice understatements.

So looking forward to 12.0 release - seems I can live with Monterey on my non-metal MBP5,2.

In preparation for 12.0 release, exercised again clean Monterey installation with migration of settings/data/apps from Big Sur 11.6. Still using USB disks for Monterey, the internal disk still reserved for nice and stable Big Sur.

Using the migration assistant, even directly during setup, failed i.e. left a non-bootable system which was of course bootable before migration.

In a 2nd attempt, used CCC instead to do cloning to a freshly erased SSD on USB. Then installed 12.0 beta 8 over it and applied the post install patches.
- did this first with jackluke's BaseSystemfix method. Booted right to user login. Photos working. Looks good (no graphics artefacts) with reduced transparency. Graphics acceleration working. Apps won't start after a while of system usage as others have reported. Will try to keep terminal active all the time so can do a sudo purge in case.
- now repeating this procedure with OCLP 030n and beta 9 instead, to another SSD.

EDIT: updated the BaseSystemfix installation to beta 9, running fine.
As for oclp so far, installation went fine and proceeded to user login without intervention. Then applied to post-install patches (oclp 030n from 11 Oct) but then booting failed. Investigating.

 

[slamd64]

Hi all,
Monterey Beta 9 fully working on MacBook Pro 9,1 15" Mid 2012 (non-retina)
Just one question. Control Center looks a bit weird, probably non-hidpi related as it is non-retina screen.
Any chance to make these corners look smooth? With HD4000 it looks even worse.

https://www.reddit.com/r/MontereyPatcher/comments/ocsz02

 

[Alphamaleunic]

32 bit UEFI. 64 bit Necessary. No compatible processors available

Which is fixed by MacPostFactor to run El Capitan.

 

[chris1111]

Hi all,
Monterey Beta 9 fully working on MacBook Pro 9,1 15" Mid 2012 (non-retina)
Just one question. Control Center looks a bit weird, probably non-hidpi related as it is non-retina screen.
Any chance to make these corners look smooth? With HD4000 it looks even worse.

https://www.reddit.com/r/MontereyPatcher/comments/ocsz02

Yea I see in dark mode but Light mode. looks good; not perfect but acceptable
This is from my ProBook 6570b

 

[K two]

Agree. The mere presence of the HS partition should not cause your problem, and the preboot eEFI corruption happens only when one boots into the HS. However, with SecureBoot disabled, one can still boot into the various different OSes.

My point is that with various different new and old and beta OSes in different partitions of a drive can easily cause cascading problems when bugs occur and difficult to troubleshoot from the interacting EFI files. Not that it is impossible to run such system. Besides, issues are bound to happen with beta anyway

Could what has been observed be local to iHacks? Noticed a commonalIty.?

 

[K two]

Agree. The mere presence of the HS partition should not cause your problem, and the preboot eEFI corruption happens only when one boots into the HS. However, with SecureBoot disabled, one can still boot into the various different OSes.

My point is that with various different new and old and beta OSes in different partitions of a drive can easily cause cascading problems when bugs occur and difficult to troubleshoot from the interacting EFI files. Not that it is impossible to run such system. Besides, issues are bound to happen with beta anyway ?

.

 

[K two]

Never worked for me in any version of of OCLP, neither Big Sur nor Monterey, disable the SIP. If you find the solution please let me know.

No question. OCLP is forcing SIP to be enabled.😦

 

[alfon_sico]

O Know this is off topic actually

I have a Mac mini 2014 supported for Monterey but from yesterday I have some issues with EFI menu. It doesn’t recognize any USB bootable (Mojave macOS)

the thing is that I mount EFI partition of my internal SDD and I see there is a firmware file in folder

is it better delete every file of EFI?

proofs: when I reset PRAM the next boot discover the USB with bootable macOS but just another boot it doesn’t show

if I check EFI of external USB it was empty but if I save the file of the internal one then it get show in the boot menu. Anyway on the second time it doesn’t show

my personal try is to erase every file of my internal ssd but I’m not sure of do it. Here you all are experts about EFI issues

 

[Ausdauersportler]

O Know this is off topic actually

I have a Mac mini 2014 supported for Monterey but from yesterday I have some issues with EFI menu. It doesn’t recognize any USB bootable (Mojave macOS)

the thing is that I mount EFI partition of my internal SDD and I see there is a firmware file in folder

is it better delete every file of EFI?

proofs: when I reset PRAM the next boot discover the USB with bootable macOS but just another boot it doesn’t show

if I check EFI of external USB it was empty but if I save the file of the internal one then it get show in the boot menu. Anyway on the second time it doesn’t show

my personal try is to erase every file of my internal ssd but I’m not sure of do it. Here you all are experts about EFI issues

Deleting OC from your system is part of the docs....
Installing OC newly is also part of the same documentation.

 

[sinbad21]

Deleting OC from your system is part of the docs....
Installing OC newly is also part of the same documentation.

 

[amaze1499]

Hi all,
Monterey Beta 9 fully working on MacBook Pro 9,1 15" Mid 2012 (non-retina)
Just one question. Control Center looks a bit weird, probably non-hidpi related as it is non-retina screen.
Any chance to make these corners look smooth? With HD4000 it looks even worse.

https://www.reddit.com/r/MontereyPatcher/comments/ocsz02

Same here. I assume its because of the graphics card specs, non retina screens etc.

 

[alfon_sico]

O Know this is off topic actually

I have a Mac mini 2014 supported for Monterey but from yesterday I have some issues with EFI menu. It doesn’t recognize any USB bootable (Mojave macOS)

the thing is that I mount EFI partition of my internal SDD and I see there is a firmware file in folder

is it better delete every file of EFI?

proofs: when I reset PRAM the next boot discover the USB with bootable macOS but just another boot it doesn’t show

if I check EFI of external USB it was empty but if I save the file of the internal one then it get show in the boot menu. Anyway on the second time it doesn’t show

my personal try is to erase every file of my internal ssd but I’m not sure of do it. Here you all are experts about EFI issues

Thank you. But not talking about OC folder. It’s a Apple folder inside EFI. Could be delete? I think it’s a kind of problem that affect to recognaise others bootable drivers plugged