I had macOS Monterey on my 2015 MacBook Pro and it was working just fine, everything including the HDMI port which I use with an external monitor. However, after upgrading to Sonoma using OpenCore Legacy Patcher, I simply can’t use the HDMI port anymore. My monitor does detect something is connected, but nothing shows up, not even in the system settings. I’m not sure if spoofing (to MacBook Pro 16,1) was the cause for that, but I believe it wasn’t, since booting up without spoofing the hardware didn’t do anything to it. How can I do to get my HDMI working again?
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