After the things I did in
https://bugs.launchpad.net/ubuntu/+source/linux-
hwe-5.13/+bug/1964711/comments/7, I am now facing a worse problem.
My computer no longer recognizes my display correctly. Since the boot
screen, the resolution is the minimum available (1024x768). I think my
system no longer selects the correct driver for my graphics card.
Running "sudo lshw -c video" yields the following:
```
*-display UNCLAIMED
description: VGA compatible controller
product: Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:03:00.0
version: ca
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list
configuration: latency=0
resources: memory:40000000-4fffffff memory:50000000-501fffff
ioport:3000(size=256) memory:50300000-5037ffff memory:c0000-dffff
```
Running "lsmod | grep amd" prints nothing (it used to before) and "dkms
status amdgpu" also prints nothing. I tried uninstalling the drivers I
installed and also tried installing drivers from different source. I
tried to look for issues in my BIOS settings. All to no avail. If I
don’t find a solution to this, I will resort to completely re-installing
Ubuntu 20.04. I have luckily completed a full backup before.
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https://bugs.launchpad.net/bugs/1964711
Title:
[amdgpu] Locked Ubuntu is frozen and cannot be unlocked
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