Hi everyone, I'm trying to get catalina going on an older Dell Optiplex 3011 AIO with an i7-3770K and HD4000 graphics. I have the installer USB going and it seems to boot all the way through - but at the point where normally the verbose text goes away and the apple logo appears, the display just shuts off, backlight and everything. I've tried googling around and cant find too much on the issue, but I've been trying different AAPL,ig-platform-id's and added igfxonln=1 to my boot-args. So far nothing has changed my issue. Does anyone have any ideas of what else i should try? I can PM you my EFI as well if you'd be willing to take a look for me.
Thanks!!!
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