…after an Ubuntu update to 6.17.0-14-generic with system settings updater (compiled the kernel for a long time) the PC first boots normally, then the desktop starts to load but the screen goes black and stays black (no strg+alt+F3 possible), so I have to hold down the power button for a hard shutdown (waited 5min).
Then I get the GRUB menu, but after that there is only a blinking underscore cursor and nothing else (waited 5min). Then I tried booting an (ctrl+alt+del) older kernel from GRUB, didn’t work either, then I switched to VGA and iGPU in bios (from AMD PCIe HDMI) and chose an even older kernel, that worked, reboot, booted the new kernel, now it works again with VGA, booted once more and now it also works again with HDMI, so everything is back to normal. What was that about? Did I do something wrong?
(LUKS encrypted, X11, 24.04.3)
The OP already solved it (or it solved itself). They’re only asking:
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I guess a dedicated graphics card might introduce some potential issues, so it’s probably better to stick with the iGPU for smoother operation.
gnome software was active in the background, seen on system monitor, maybe started system update at the same time, maybe a problem. idk
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