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I switched from rtx 2080ti to rtx5080, I have dual boot system, windows works fine, ubuntu black screen, in recovery mode I see that it's stuck in "loading ramdisk". I couldn't even boot liveusb ubuntu, when I select try ubuntu, fans start spinning very loud and there's black screen. So I switched back to rtx2080ti, ubuntu works on that card and I tried few fixes that I found:

  • installing new 575-open nvidia drivers, I purged previous drivers

  • /etc/default/grub: I changed line 'GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"' to 'GRUB_CMDLINE_LINUX_DEFAULT="dis_ucode_ldr"'

  • I upgraded ubuntu 22 to 24.04.2 LTS version

  • Bios update

I switched back to rtx 5080 and it still doesn't work, same issue, any ideas?

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