greinnovation.blogg.se

If your Mac is too old to make it onto the above list, Apple has decided that it lacks the hardware required to meet the demands of Catalina.

What You Can Do if You Have an Unsupported Mac Look just below the OS X version number in the Overview tab – if the Mac model name is the same or a later model year than the one shown in the compatibility list above, your Mac is compatible with macOS Catalina. To check if your Mac is compatible, open the Apple () menu in the upper left corner of your Mac's screen and select About This Mac. In the case of Catalina, the latest macOS version, the operating system doesn't work on models released before mid-2012 (and Mac Pros before late 2013).Īpple's official list of Macs supporting macOS Catalina:

Select the disk on which you want to install "El Capitan" and press Continue ( note that the icon and name of the disk will be different in your case) (there is usually only one option.Each year that Apple releases a major new version of macOS, a few older Mac models that ran the previous version usually fail to make the new list of officially supported Macs. Read the software license agreement, press Agree to accept it and press Continue: When your Mac comes back up, disable Wi-Fi and leave the Ethernet cord unplugged, as explained in step 2, and press Continue: In the OS X installer window, press Restart: Terminal will confirm that the date has been changed with a line of output that displays the new date. Turn Wi-Fi off or unplug the Ethernet cord, depending on your configuration, to prevent your Mac from connecting to the Internet:Īnd type date 0115124517 (this will reset the date to Jan 1st 12:45 2017). When the OS X installer complains that "No packages were eligible for install" and displays this window: Learn more.Īs explained here, OS X 10.11 "El Capitan" fails to install because it is too old (the technical reason being that the signing certificate is no longer valid).īut you can trick the OS X installer into thinking that it is 2017 and it will happily run without any errors. Comments on this answer have been disabled, but it is still accepting other interactions.