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The original was posted on /r/ubuntu by /u/al357 on 2023-08-07 14:34:43+00:00.

Hello, I’ve had an automatic update of my softwares yesterday (I don’t know what was updated, I’m running 22.04lts). Now I’ve restarted my laptop, I’m stuck after the grub. The only thing that shows is a black screen with a white underscore (not blinking). The screen is frozen.

I’ve tried to boot on 3 live usb sticks, same error.

I’ve tried to boot with the recovery kernel (from grub). I get only “Loading initial ramdisk…” on a frozen black screen.

I can only start efi shell or grub shell.

I’m at loss and would appreciate some help.