B blewyn macrumors member Original poster Jan 3, 2009 50 3 Mar 31, 2023 #1 How do I create a bootable Catalina USB installer on my Ventura Mac mini ? I have the PKG file downloaded but it won't create the Catalina installer app because it is not compatible with the Mac mini (m1).
How do I create a bootable Catalina USB installer on my Ventura Mac mini ? I have the PKG file downloaded but it won't create the Catalina installer app because it is not compatible with the Mac mini (m1).
DeltaMac macrumors G5 Jul 30, 2003 13,840 4,635 Delaware Mar 31, 2023 #2 Apparently, you can't make older bootable (for pre-M1 Macs) macOS installers on M-series Macs. https://forums.macrumors.com/threads/you-cant-use-an-m1-mac-to-create-bootable-pre-bigsur-macos-installers.2283560/ That would be one of the reasons I keep several older Macs around, just for that purpose.
Apparently, you can't make older bootable (for pre-M1 Macs) macOS installers on M-series Macs. https://forums.macrumors.com/threads/you-cant-use-an-m1-mac-to-create-bootable-pre-bigsur-macos-installers.2283560/ That would be one of the reasons I keep several older Macs around, just for that purpose.
rm5 macrumors 68040 Mar 4, 2022 3,313 3,807 United States Mar 31, 2023 #3 Deleted (my "solution" actually didn't work)—you need an older Intel Mac... Reactions: blewyn