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Old Sep 30th, 2020, 11:10 PM   #21
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Quote:
Originally Posted by pm-r View Post
That sounds like a typical answer from Apple that may not and often does not even work, especially when one is trying to install a much earlier OS such as Mavericks.

Getting an earlier, older Mac OS version installed has become a real PITA and for no real reason. And often, unfortunately, their web page tutorials of how to do not always work.

Maybe just give Apple Canada a call and see if there's a decent human tech that can help at the other end.



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I, frankly, find the instructions quite clear! I have created USB installers ever since Mavericks - they have saved my clients and I countless hours not having to download installer files for each and every machine. Indeed, getting hold of early versions currently can be problematic I agree, which is why I have made multiple copies and treat them like gold!!
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Old Oct 1st, 2020, 12:45 PM   #22
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Indeed, getting hold of early versions currently can be problematic I agree, which is why I have made multiple copies and treat them like gold!!

Let's hope they keep working and Apple doesn't expire them.

As for some old Mac installers, it seems it might be easier to keep an old machine around just to use it for OS cloning which would be going as absurd as one would want.

What gives with Apple's "Lack of OS signing" anyway??? What does it accomplish or prove other than often annoying its Customer user base???



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Old Oct 2nd, 2020, 12:25 AM   #23
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So far, no issues with machines contemporaneous with OSX level. YMMV.
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Old Nov 2nd, 2020, 10:04 PM   #24
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Anybody knows where to download Catalina install dmg instead of the install app?
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Old Nov 3rd, 2020, 05:25 PM   #25
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Download macOS Catalina 10.15.7 Combo Update

When they're available, I always download Mac OS Combo Updates.

Been doing it for about 15 years.

http://support.apple.com/kb/DL2052?viewlocale=en_US

More Catalina downloads.
https://support.apple.com/downloads/macos
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Old Nov 3rd, 2020, 06:09 PM   #26
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Originally Posted by morisyoung View Post
Anybody knows where to download Catalina install dmg instead of the install app?

What don't you like or want with the install app???

There's a lot involved and happening with the macOS Catalina install and it's not just some macOS application.



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Old Nov 5th, 2020, 05:20 PM   #27
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Originally Posted by wonderings View Post
I ended up using a time machine backup from a Mac Mini I have and restored from that. I upgraded to High Sierra which is the newest OS it can take. I will be trying to go the usual route this time around for a clean install.

I tried a few different things with no luck. Bootable USB stick did not work (showed up fine on a MacBook Pro), I put the iMac into target disk mode and connected via thunderbolt to MacBook Pro (2015 model I believe, iMac is 2011). It showed up but the option to install to the iMac was greyed out saying it could not be done because it was in target disk mode.

Never had this much trouble trying to do a clean install before!

Yikes Target disk has two purposes, allowing an easy transfer of files to another computer and an easy install to the target computer. Did you do a 'get info' on the target disk and make sure permissions were disabled?
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Old Nov 6th, 2020, 08:39 AM   #28
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Quote:
Originally Posted by morisyoung View Post
Anybody knows where to download Catalina install dmg instead of the install app?
you can get the dmg in the install app you download from the App store. Can't remember the terminology as it has been years since doing this but you are basically viewing the contents of the install app and there should be a .dmg file in there you can extract.
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Old Nov 25th, 2020, 06:04 PM   #29
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I'm going to create a bootable Big Sur flash drive for a clean install. I guess there's plenty of instructions on how to do that. Did I read above where someone stated Sierra is the lat download that one can do that with? I created a bootable flash drive for Catalina last year.
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Old Nov 25th, 2020, 06:34 PM   #30
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I'm going to create a bootable Big Sur flash drive for a clean install.

Good luck. As if 2020 hasn't brought enough grief with it, who needs an operating system that is full of problem and bugs according to various sites???

Or how about those with MacBook Pros that ended up getting them completely bricked. But nice that Apple has offered to repair some, and even those well out of their normal warranty.

I guess you must be really wanting to and cannot wait use some of the "new OS BS features"!!! If you can get them all working!!!

Good luck.



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