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Yesterday I did a clean install of 23.04 on my root partition. (There's also one home partition, but no Windows.)

Edit: I installed Nvidia drivers at installation.

Everytime I start up, I see a list of entries like so: https://i.stack.imgur.com/HAGY7.jpg

I have no clue if they point to something substantial; to me, the dependency failures regarding sssh come to mind, or maybe something is up with grub?

Anyways, after a short while, the screen turns black with a flashing cursor, and I'm stuck forever.

The symptoms strongly resemble those of this post, but the only solution suggested there deals with Windows dual boot issues.

Also possibly related is this post, but I can't try the solution there because on my machine there appears to be only the 6.2.0 kernel, yet no older one.

Turtle
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  • Did you install the Nvidia drivers at the install? Did you try to boot in recovery mode, to install the Nvidia drivers? Please add info to your original posting. – ubfan1 Apr 22 '23 at 16:01
  • Thanks. I ticked installation of external drivers in the installer; OP edited accordingly. – Turtle Apr 22 '23 at 16:13

1 Answers1

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It turns out that on my ThinkPad T430, the Nvidia 390 drivers are the culprit.

Booting into recovery mode, opening a root terminal and performing apt remove --purge nvidia* solved the boot issue for the time being.

The bug involving the 390 driver package is tracked here.

Turtle
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  • Sadly I didn't install any nvidia drivers, so the remove command didn't work. My microserver gen 8 uses a built in Matrox G200eH2 graphics controller. I tried sudo apt install xserver-xorg-video-mga and lspci shows them installed. But this 23.04 doesn't seem to be recognising them. Perhaps I should remove them? But how dangerous! – gfmoore Apr 23 '23 at 22:28
  • So I tried removing the driver with sudo apt remove xserver-xorg-video-mga - as per chatGPT :), but lspci shows that Ubuntu is still using 01:00.1 VGA compatible controller: Matrox Electronics Systems Ltd. MGA G200EH. I'm losing the will to live. The bug tracker describes my issue exactly, flashing cursor in top left of blank screen – gfmoore Apr 23 '23 at 22:42