Couldn't detect external monitor in ubuntu 18.04.5 with NVIDIA driver 455.38

Graphics / Linux Linux
13

I did not knew that. Thank you very much for providing it. Will try out asap.

Edit: It worked! Thank you generix! I updated the firmware for iwlwifi too and got my wifi problems fixed as well. There was no single file for renoir before.
I will summarize my steps shortly for who ever is reading this.

  1. Ubuntu18.04
  2. Upgrade Kernel to 5.8.0
  3. Cloned the firmware repo and copied all files for renoir- to lib/firmware/amdgpu (Do not forget to macke a backup)
  4. Installed nvidia-driver 450.80.02
  5. Used generix fix described in this post (Please read carefully there are 2 methods described in given post. Do not mix them.)

Point 3. is important for Ubuntu 18.04. The same way worked for Ubuntu20.04 but 3. is optional

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