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Post by swimmatrix on Apr 5, 2021 16:10:00 GMT
I just bought an iMac 2020 and installed windows 10 (Home) through boot camp. I am trying to use dual monitor and the external monitor is Dell 24 inch 1920 x 1080 (HD). the connection cable is usb-C to HDMI. The external monitor works initially, but after the computer goes to sleep and wake up, it shows black screen. I can see the monitor from Settings -> display and it also shows up in the AMD software. However the monitor shows no signal from HDMI. The only way to make it work is to unplug the usb-C and plug in again. I am using the driver from www.amd.com/en/support/kb/release-notes/apple-boot-camp the version is 19.50 I don't have any issues in MacOS. the external monitor works perfectly. Could someone please tell me if this is a driver problem? which version should i try to fix it? I don't play games so probably the blue version. Here is my machine: iMac 2020 27 inch Radeon Pro 5500 XT with 8GB of GDDR6 memory Thanks in advance!
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Post by swimmatrix on Apr 9, 2021 1:30:12 GMT
I found a solution from another forum. use usb-c to DP cable, and that worked for me.
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