Hi,
I have a Mac Pro running mountain lion (using it for protools 10) In order to have a more modern Os, I installed on another ssd, Mojave. Needing windows, I then installed it on a third ssd. At the beginning everything was running smoothly and holding the option key at the startup allowed me to select the OS I wanted. But since I began to restart from one OS to reboot to another I began to lose the boot screen So now, I have a black screen at startup and can’t choose my OS at startup… every OS’s working fine nonetheless… I wonder if opencore may be a solution by installing it and forcing the boot picker to show up at startup? I’ve already installed oc on 2 computers and it’s f everything is working perfectly I never managed to force the boot picker to show up automatically at startup… is there a way to do it ? Thanks in advance for your help
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