(long story basically i cant use "Install mac os" so i had to upgrade from Snow Leopard as its the last to come on DVD) Sadly, AFAIK you can't downgrade mac firmware, I know because I installed snow leopard onto a mac with El Capitan era firmware. P.s.: Meanwhile i am thinking to leave my MacBook Pro, it's from 2015 and go for a Notebook, it's cheaper for new hardware plus easier to install Linux on it. The weird thing is that i still can enter the 'firmware password' and that works, for example to enter 'Recovery Mode' but i can't put it off or change it. If somebody can help with that i can test some of the possibilities out here. Searched the web but no fix for that one. So, i can't put it off or change it anymore. Since then when i try to put 'firmware password' off to test Ventoy it says that i can't use that symbol in a 'firmware password'. Years ago i have put a 'firmware password', with a symbol in it, because that's a nice extra securety but with one of the latest Catalina Security Updates the 'firmware' was updated. So, i am willing to test but first i have to fix the 'locked out firmware password' problem that i have. I imagin that all people in this discussion can and are willing to test.īut does Ventoy has time and energie to work on this?
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