GRUB fails to load, dual booting Win 7 and Ubuntu 18.04 (Blinking cursor, rescue mode fails )

Asked Mar 11 '19 at 14:21

Active Mar 11 '19 at 14:21

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I dual boot Win 7 and Ubuntu 18.04. I use Windows BCD as my primary bootloader which lets me select my Ubuntu partition. Things were working fine a couple of weeks ago and I did apt-get upgrade.

Now if I select my Ubuntu parition all I get is a blinking cursor. I tried going into GRUB rescue mode by holding shift. Now I get the word GRUB and a blinking cursor but I can't type anything. I can boot into Win 7 fine. I've done a little research and it may be a kernel issue, perhaps caused by the last update.

Is it possible to fix without using boot repair?

Thanks

asked Mar 11 '19 at 14:21

Bjarne

use a livedisk to access the system and post the output of jouralctl, and dmesg – j-money Mar 11 '19 at 15:06
dmesg uploaded here And here's journalctl – Bjarne Mar 11 '19 at 20:18
GRUB config if it helps – Bjarne Mar 11 '19 at 20:34
When you're in the livedisk try mounting the system and downgrading the kernl – j-money Mar 12 '19 at 08:23
How do I do that? – Bjarne Mar 13 '19 at 08:39
https://askubuntu.com/questions/654094/how-to-roll-back-or-downgrade-kernel-on-14-04-re-wine-stopped-working – j-money Mar 13 '19 at 08:44
I tried rolling back the kernel, not sure if I did it correctly. Whatever I did, it still doesn't boot. https://paste.ubuntu.com/p/JwDVMgQF8z/ – Bjarne Mar 25 '19 at 13:20

GRUB fails to load, dual booting Win 7 and Ubuntu 18.04 (Blinking cursor, rescue mode fails )

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