Some third-party applications do not open or crash on launch.Download the latest Catalina Installer using the latest Catalina Patcher version. This happens when using a release of the macOS Catalina Installer App that is incompatible with the version of Catalina Patcher you are using.

I get an error saying 'The installer is damaged, and can't be used to install macOS'.The 2007 iMac 7,1 is compatible if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300. 2006-2007 Mac Pros, iMacs, MacBook Pros, and Mac Minis:.Macmini5,x (systems with AMD Radeon HD 6xxx series GPUs will be almost unusable when running Catalina.).Early-2009 or newer Mac Mini or white MacBook:.Late-2008 or newer MacBook Air or Aluminum Unibody MacBook:.iMac12,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be almost unusable when running Catalina.).iMac11,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be almost unusable when running Catalina.).Early-2008 or newer Mac Pro, iMac, or MacBook Pro:.in the case of this 2010 the only fail allowed is memory lock. I will run an hour ram test to the end and show what a passed test looks like. I do not know exactly why the lock fails but I believe this is what make the 2010 mini so picky with 2x 4gb sticks of am now on my 2010 mini with 8gb ram 2x 4gb sticks the second thumbnail shows failed memory lock. This is true of all 2x 8gb ram in a 2010 mac mini. I will walk to a 2010 with 8gb ram and do a thumbnail that will show memory lock fails. The first thumbnail shows 16gb ram in a 2012 and it passes memory lock.

So with trial and error I would need to get good sticks and buy in bulk.Īll 2010 ram in 2x 4gb would fail to memory lock.

If and when you upped it to pc3-8500 1066 4gb sticksĪ lot just did not work. I have upgraded 50 to 100 machines each year since 2006.

Mac mini 2010 ram upgrade guide