2013 Mac Pro Freezes Continue – Owners Have Little Recourse – Apple is Helpless
A non-negligible number of 2013 Mac Pro owners are experiencing intermittent freezes no matter what remedial action is taken or the version of OS X installed. Apple launched a repair program in February, but only for Mac Pros with the AMD FirePro D700 and D500 graphics cards. The D300 isn’t covered, but it also experiences freeze ups, according to customers. One workaround that does not solve the problem but assists with handling the freeze-up is often cited in the MacRumors forum and is discussed below.