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Optiplex 9020: Big Sur / Opencore 0.6.6


morpheousman

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My displays are not 4K, they also don't have DP ports. The most I have done testing the onboard video is just plug in with a DP to HDMI adapter, and ran that for about an hour. I couldn't get dual displays to work, and I don't remember testing sleep. After that very brief test I went back to using my Nvidia GT710 video card. It's plug and play, and runs dual monitor. I bought a couple of those cards for another Desktop hack, and only used them for a year or two. I didn't buy the cards specifically for my 9020's, I had them on hand and decided to get some more use out of them. 

I'm assuming that you set the DVMT to 64MB?

I have one of my 9020's hooked up to a 65" 4K panel. I suppose I could switch that over to the onboard video and see what happens.

I tested my Lattitude E7440 4K with that screen. 

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