Early-2008 or newer Mac Pro, iMac, or MacBook Pro: MacPro3,1.
#Installing catalina on unsupported mac how to
How to Install macOS 10.15 Catalina on an Unsupported Mac.
#Installing catalina on unsupported mac update
Add NVRAM boot arg (or Clover ist boot arg on a hack) -no_compat_check to enable system to boot to final completed Mojave or Catalina install. When installing, ensure your system is plugged in to power, or the update will not be installed. macOS Installer App eg for Catalina beta or Mojave downloaded to /ApplicationsĤ. For other systems make sure to set your BIOS to Optimized Defaults, and your hard drive to AHCI mode. On the next screen, click on 'Download a Copy'. STEP 3: Recommended BIOS Settings If you're installing on a recommended CustoMac desktop with AMI UEFI BIOS, the options are simple. Always download the latest version since the developer continues to update the. Download the latest version of the macOS Catalina Patcher from here. An original, untouched copy of OSInstall.mpkg from High Serra InstallESD.dmg - attached OSInstall_10.13.6.mpkg.zip save to your ~/Downloads folderģ. Create Patched macOS Catalina USB Installer. Mac or Hack capable of and running High Sierra 10.13.xĢ. The procedure below will allow Macs or Hacks able to install High Sierra to also install Catalina or Mojave (eg SMBIOS MacPro5,1, iMac11,3, MacBook Pro7,1 which have been unsupported in macOS 10.14.x and 10.15beta) -credit to post.ġ. Fortunately, it is still possible to substitute High Sierra’s Apple Signed OSInstall.mpkg inside the Catalina or Mojave InstallESD.dmg by making it R/W. Your Mac also needs at least 4GB of memory and 12.5GB of available storage space, or up to 18.5GB of storage space when upgrading from OS X Yosemite or earlier. In Catalina 10.15beta, the above method no longer works since Apple is checking OSInstall.mpkg for its file signature and the mandatory requirement in Catalina to install to 2 separate apfs volumes necessitates using the original Catalina macOS Base System Installer. If youre using one of these computers with OS X Mavericks or later, you can install macOS Catalina. In Mojave 10.14, posted a method to patch the distribution file in OSInstall.mpkg to enable the Mojave installer to install on unsupported machines (with or without graphics card metal support). Often for economic reasons, Apple prevents the Installer.app for its latest macOS from installing on older machines perfectly capable of running it eg macOS 10.14 Mojave on Unsupported Macs Thread.
Patch Catalina or Mojave macOS Installer App for Unsupported Machines
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