Missing Displays

Hi, i'm new on Linux and i want to change to Zorin OS.

My Hardware configuration:
-ASrock X670E PG
-AMD Ryzen 7900X3D
-AMD Radeon RX7900XTX

  • 2x Acer Predator XB253Q Displays & 1x TV

After installation i've only access to one generic Display.

I've tried to install diverent Kernels (example 6.3) but nothing change.

did i forget something or make something wrong?

I'm no expert when it comes to Radeon cards. Used nvidia cards all my live.
But did you remember to reboot after installing a new kernel?

Hi, sure

I checked it also in Terminal with uname -rm
and it says kernel 6.3.xxxxxxxx

and sorry for my english....i'm from Germany :face_with_hand_over_mouth:

I found this in my Bootlog:

[ 3.604009] amdgpu 0000:03:00.0: amdgpu: Fetched VBIOS from VFCT
[ 3.604010] amdgpu: ATOM BIOS: 113-TIC106615-100
[ 3.604027] amdgpu 0000:03:00.0: Direct firmware load for amdgpu/psp_13_0_0_sos.bin failed with error -2
[ 3.604029] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block failed -19
[ 3.604145] amdgpu 0000:03:00.0: Direct firmware load for amdgpu/smu_13_0_0.bin failed with error -2
[ 3.604146] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block failed -19
[ 3.604257] amdgpu 0000:03:00.0: Direct firmware load for amdgpu/dcn_3_2_0_dmcub.bin failed with error -2
[ 3.604258] [drm:dm_early_init [amdgpu]] ERROR DMUB firmware loading failed: -19
[ 3.604431] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block failed -19
[ 3.604541] amdgpu 0000:03:00.0: Direct firmware load for amdgpu/gc_11_0_0_pfp.bin failed with error -2
[ 3.604542] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block <gfx_v11_0> failed -19
[ 3.604648] [drm] VCN(0) encode/decode are enabled in VM mode
[ 3.604649] [drm] VCN(1) encode/decode are enabled in VM mode
[ 3.604658] amdgpu 0000:03:00.0: Direct firmware load for amdgpu/vcn_4_0_0.bin failed with error -2
[ 3.604659] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block <vcn_v4_0> failed -19
[ 3.604761] amdgpu 0000:03:00.0: [drm:jpeg_v4_0_early_init [amdgpu]] JPEG decode is enabled in VM mode
[ 3.604901] amdgpu 0000:03:00.0: Direct firmware load for amdgpu/gc_11_0_0_mes_2.bin failed with error -2
[ 3.604901] [drm] try to fall back to amdgpu/gc_11_0_0_mes.bin
[ 3.604910] amdgpu 0000:03:00.0: Direct firmware load for amdgpu/gc_11_0_0_mes.bin failed with error -2
[ 3.604910] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block <mes_v11_0> failed -19
[ 3.605013] amdgpu 0000:03:00.0: amdgpu: Fatal error during GPU init
[ 3.605019] amdgpu 0000:03:00.0: amdgpu: amdgpu: finishing device.
[ 3.605215] amdgpu 0000:1a:00.0: enabling device (0006 -> 0007)
...
[ 3.605897] amdgpu 0000:1a:00.0: amdgpu: Fetched VBIOS from VFCT
[ 3.605897] amdgpu: ATOM BIOS: 102-RAPHAEL-008
[ 3.605910] amdgpu 0000:1a:00.0: Direct firmware load for amdgpu/psp_13_0_5_toc.bin failed with error -2
[ 3.605911] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block failed -19
[ 3.606032] amdgpu 0000:1a:00.0: Direct firmware load for amdgpu/dcn_3_1_5_dmcub.bin failed with error -2
[ 3.606033] [drm:dm_early_init [amdgpu]] ERROR DMUB firmware loading failed: -19
[ 3.606193] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block failed -19
[ 3.606310] amdgpu 0000:1a:00.0: Direct firmware load for amdgpu/gc_10_3_6_pfp.bin failed with error -2
[ 3.606311] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block <gfx_v10_0> failed -19
[ 3.606415] [drm] VCN(0) decode is enabled in VM mode
[ 3.606415] [drm] VCN(0) encode is enabled in VM mode
[ 3.606425] amdgpu 0000:1a:00.0: Direct firmware load for amdgpu/vcn_3_1_2.bin failed with error -2
[ 3.606426] [drm:amdgpu_device_ip_early_init [amdgpu]] ERROR early_init of IP block <vcn_v3_0> failed -19
[ 3.606531] [drm] JPEG decode is enabled in VM mode
[ 3.606531] amdgpu 0000:1a:00.0: amdgpu: Fatal error during GPU init
[ 3.606536] amdgpu 0000:1a:00.0: amdgpu: amdgpu: finishing device.

From your bootlog, you are missing the following firmware:
psp_13_0_0_sos.bin , smu_13_0_0.bin , dcn_3_2_0_dmcub.bin , vcn_4_0_0.bin , gc_11_0_0_pfp.bin , and gc_11_0_0_mes_2.bin.
Can you please try opening terminal and running:

sudo apt update

sudo apt install firmware-amd-graphics

sudo apt full-upgrade

I have never actually tested the above command as I have never used AMD graphics on Linux...

Some of your errors appear to suggest that drm is wanting to treat the drivers in the kernel as a module.
Reference:
https://forums.gentoo.org/viewtopic-t-1114758-start-0.html
You can try:

sudo modprobe amdgpu

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