Update problem...

[Guest end989]

Hello, I recently made the mistake of updating my mp 5.1 with a RX6600 using OCLP to Sequoia. I didn't know it was not compatible.

 

Now I can't access the operating system after bootscreen.

 

There's no way to use that GPU, right? I thought about using my old RX560 (which I think should work) to access the system, rescue my files and downgrade to Monterey. As I have seen, it is necessary to erase the entire hard drive to install a previous system.

 

Do you think this is a good idea or is there...

 

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Source: MacRumors