I don't recognize hdmi on fedora 31

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1

Hello
dear i am looking for a solution to this problem
i have hdmi port but it is not showing on secondary screen

Here I show you the size of my machine

15ae8b413b3d7b23a3e1e367809c3f9ec2318652.png
15ae8b413b3d7b23a3e1e367809c3f9ec2318652.png871×493 80.8 KB

something more
a764c24596d8b2aff9750343d0c6f9d5f998dacb.png
a764c24596d8b2aff9750343d0c6f9d5f998dacb.png1009×166 26 KB

xrandr

5533c2c87cc114b7ef8008f21adc2b7a893d1851.png
5533c2c87cc114b7ef8008f21adc2b7a893d1851.png861×240 26.4 KB

lspci

2fef86063626c583676680347b565c705d2f9f8c.png
2fef86063626c583676680347b565c705d2f9f8c.png1098×614 171 KB

cat /etc/default/grub

0761fbce8e4320aa7130609f7914244cc2c85049.png
0761fbce8e4320aa7130609f7914244cc2c85049.png1092×180 26.6 KB

If you have any clues, I would like to be with this for a week

2

Hi,

have you considered upgrading to Fedora 33?
Or can you try booting Fedora 33 from live usb and post the output of xrandr?

3

Hi guys solve my problem I practically found it in this link link kernel panic - AMD-VI: completion wait loop after a failed install of Arch Linux on a blank SSD - Unix & Linux Stack Exchange, I had to modify the kernel parameters.

In my case add this

amdgpu.runpm=0
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4

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