AMD apu external monitors not detected


New Member

I bought an acer swift 3 with amd ryzen 4500u cpu. It has only un apu, not dedicated gpu. With Windows 10 no issues all my monitors work perfectly (one direct hdmi and another hdmi through usb c dongle.

But with linux distros they are not even detected, xrandr shows me only the internal screen. I've tried elementary os, ubuntu, fedora but none of them actually fix the issue.
I even tried to upgrade kernel to latest 5.8 and even 5.7 but didn't solve my problem.

I think it's related to amd drivers not working properly or this apu not beeing well integrated with kernels.

Could you help me because I really need multiple monitors.

Thank you in advance.

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