![]() Note: In this method you don't need to login apple developer site for verification etc. Run "Install macOS Beta" from applications (copied SUR Installation file) Start Catalina VM again login with standart user (not login with the new created account) When Parallels opens back up it only gives the option to resume the machine that is 'Suspended' but not actually shut down. Shotdown the Catalina VM and put above two lines to the In the VM configuration, under Hardware -> Boot Order -> Advanced Settings -> Boot flags When a Parallels Virtual Machine is left unattended for a long period of time, it is common for it to get stuck on a black screen, where closing the application, restarting, and reopening will not fix the issue. In the VM configuration, under Hardware -> Boot Order -> Advanced Settings -> Boot flags, enter the following (inserting the information noted above where shown):ĭevices.mac hwmodel="" id=""ĭ=Mac-53FDB3D8DB9CA971 Carbonite auto backup software and business solutions help protect your personal and business data from common forms of data loss. ![]() Make a note of the hardware model (mine is MacBookPro14,3)Į. Make a note of the board ID (mine is Mac-551B86E5744E2388, for example)ĭ. On a real, supported Mac, run this command in Terminal:ī. Proceed with downloading and installation of macOS Big Sur via System Preferences.īefore creating Catalina VM don't forget to resize disk size to 80 GB (at least)įormat 80 GB disc with using APF format before starting Catalina installation (otherwise you cant use 80 GB)Īfter Catalina VM installation start necessary update from Software Update, version will be 10.15.5Ĭopy "Install macOS Beta" (9 GB SUR installation file) to the ApplicationsĬreate 2nd Admin user and leave password blank (you will use it while login to SUR)Ĭopy current Catalina VM to external disk as a backupĬomplete below process (run Terminal on the real MAC not VM)Ī. Where mac_hw_model and board_id inside the quotes should be substituted to your values.ħ. In the Parallels VM configuration, under Hardware -> Boot Order -> Advanced Settings -> Boot flags, enter the following (inserting the information noted above where shown):Ĭode Block devices.mac_hw_model="mac_hw_model" This will get you board_id (something similar to Mac-551B86E5744E2388).ħ. This will get you mac_hw_model (something similar to MacBookPro14,3). On a host, supported Mac, run these commands in a terminal (thanks Block sysctl hw.model.Login to iCloud account which have Apple Developer Program membership active (thanks disk drive to be at least 80 GB (see article 112119 in the parallels knowledge base website on how to do that).ĭownload and install your Beta profile ( ). ![]() ![]() Create a new Parallels VM by installing a fresh copy of macOS Catalina from Recovery Partition (or use existing VM).ĭO NOT INSTALL Parallels Tools or uninstall it if it's already installed. ![]()
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