![]() ![]() Supported Macs: Most Macs from 2012 or later support macOS Catalina. The two primary causes are attempting to install on a Mac that Catalina doesn’t support, or trying to install Catalina on a Mac with limited storage space. It may be that the installation won’t start, it seems to freeze during the installation, or it never seems to complete. This is the most basic of Catalina installation errors it simply won’t install. ![]() With backups out of the way, let’s take a look at some of the common and not-so-common macOS Catalina installation issues you may run into: macOS Catalina Won’t Install If you need a storage solution to handle your backups, Other World Computing has a large selection of storage options you can choose from. If it does get your Mac going again, remember to back up your Mac before you go any further. If you’ve run into an issue and you didn’t first perform a backup, then with any luck, one of our tips will get you back on track. The most important of these is to back up your Mac before you start the installation process so that you can recover from any installation issues that may arise. You should also take basic steps to ensure you can recover from any install issues you may come across. Even so, it’s a good idea to review our Rocket Yard guides for a clean install of macOS Catalina as well as an upgrade install of Catalina. You got a LOT more when you bought a brand-new Mac that shipped with Puma - eleven CDs, which included Puma, Mac OS 9.2.2, a Hardware Test CD, an Applications disc, and a 6-CD set holding a system-restore image.Installing a new version of the Mac OS is generally a fairly pain-free process this trend continues with macOS Catalina. Mac OS X 10.1 "Puma": The retail Puma package has two CDs the main OS installer is still a single CD, but there's a second CD labeled "Tools" that has some extra fonts, utilities and a few dev goodies that are all completely optional. It was slightly smaller than Kodiak as it didn't pack as much nerd into it - it is a consumer OS first and foremost - so Cheetah's disk-usage is 659 MB Mac OS X 10.0.4 "Cheetah": Standard way to get it was to bu the box that was approximately 85% air, 10% printed matter and 5% being a single CD in a sleeve. DP1 occupied slightly more of the CD than the final DP4 release did, so you can count either: DP1 is 679.1 MB, DP4 is 676 MB. Mac OS X 10.0.0 "Kodiak": There were four different iterations of the Mac OS X Public Beta, but they all fit onto a single CD-ROM. You know what's missing from your big lists? Build numbers.Īnd because you asked nicely, here's some extra size data for the list: See Benton's comment below if you want a nicely detailed history of those early releases.Īnother special "thank you!" goes to Mads Fog Albrechtslund, who provided updated PR links for all the major releases-most of mine had broken over the years. Ziebell (for providing some size values on very-old minor updates), and to Benton Quest (for providing size info on all the major releases up through Snow Leopard). Feel free to contact me if you can help replace any of the "?" entries.Ī special "thank you!" goes to Mr.
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