Whatever you prefer to call it, the rainbow-colored ball that pops up on your Mac's screen and refuses to go away is a bad omen signaling that your. screenshot of where installation is got stuck. I am installing Mac OS Catalina on Mac OS mid 2012 as upgrade install from Mac OS Yosemite It has stuck for about 3 hours now at finishing bar of macOS Catalina will be installed on disk Kindly guide what to do.Late-2013 and mid-2014 models of the 13-inch MacBook Pro seem to. Late-2013 and mid-2014 models of the 13-inch MacBook Pro have been getting stuck on a black screen while installing macOS Big Sur.Saves and fill in all your passwords, cards and other details. Offline Password Manager and Secure Vault.
