No HDMI signal after wake up, Gigabyte Z490i Aorus Ultra, i9-10900, UHD 630(no discrete gpu)

Hi,

I followed the Opencore Install Guide (Comet Lake) to install Bigsur 11.4. The instruction is straightforward and clear. The onboard Intel AX201 is not removed, but purchased a separate Broadcom BCM94360CD PCi-E Card from eBay. Almost everything works, except the following imperfections:

1. It is a one-monitor system. The Z490i comes with one DP and one HDMI, but I use HDMI only (ASUS Monitor...

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Author: marcohua

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