Workstation displays no graphics until Fedora starts

Hello, I’ve got a curly problem so would love some out of the box thinking!

My Workstation does not display anything on the Screen until Fedora starts. The BIOS splash screen and Grub are never displayed (I dual boot with Windows, but Fedora is the default). This is a problem as I can’t start Windows or enter the BIOS without first waiting for Fedora to boot and doing a reboot.

If I reboot the screen remains active the entire time, showing all shutdown messages, the BIOS splash screen, Grub and whichever OS I choose. Only the first boot is affected.

Confusing background
When I first the PC early last year it used to work as expected but some months later this problem started. On occasion the PC used to boot and never turn on the display - the monitor would go to sleep. In fact on some occasions rebooting Fedora would cause the display to go to sleep while the OS was on, forcing me to reset it to power it off. :frowning:

I had been using an ancient NVIDIA graphics card and assumed it was all related. I’ve just installed a more recent AMD GPU but the problem on initial boot still happens (fortunately it’s now ONLY initial boot!).

My CPU has no basic graphics so there is no way I can test this without the GPU.

Facts:

  • OS: Fedora 37 (fully updated) dual boot with Windows 10 (fedora default target)
  • CPU: AMD Ryzen 5 5600X
  • Motherboard: ASUS B550M based
  • AMD Radeon RX 6700 XT
  • Monitor: HP Z27n (connected via display port)

Any ideas where I should start looking please?

Thank you in advance!

Hello @lolrofl Welcome to the community… I’m happy you’re here

for the moment this discourse instance if for community communication until askfedora will be merged here, this question fix better in ask.fedoraproject.org Please go there ask your question and I’m completly sure you will get all the help you need…

Regards.,

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Thanks, I will do.