![]() ![]() This is standard practice and indicates that the release of the upgrade to the new Mac operating system will also be in the known time frame. The 2008 Mac Pro 3,1 AMD GPU support must also be considered, as newer AMD video cards (Radeon HD 7xxx series and newer) are not supported.Īpple has the new one macOS 14 Sonoma Beginning of June 2023 during the WWDC Keynote presented. ![]() Full graphics performance is not achieved with the AMD / ATI Radeon HD 5xxx and 6xxx series. You can find these on the linked developer website under "Known Issues". In addition to eventualities, there are also two known problems with some Mac models or chip sets in the computers. You can find tips on backup software here: My recommendations for regular (bootable) backups. When experimenting with loading a new system onto a machine that is not recommended for it, this is of course doubly true! So to prevent data loss due to problems installing or using Catalina on older Macs, back up the contents of your hard drive beforehand. You should always make a backup before upgrading to a new operating system. The entire list with all individual models can be found on the macOS Catalina download page. Even with the patcher, you CANNOT install macOS Catalina on these old Macs: 2006-2007 models of Mac Pro, iMac, MacBook Pro and Mac Mini as well as 2006-2008 MacBooks and 2008 MacBook Air (as well as older ones). With regard to Mac mini and MacBook, it is the models from early 2009 onwards. MacBook Air supports models from late 2008 onwards. With regard to the Mac Pro, iMac, and MacBook Pro, it's the early 2008 models that you can try. Not all old Apple computers and laptops are supported by the macOS Catalina Patcher. You can install Catalina on these old Macs
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