Question

1

Not booting into grub (boot-repair log included)

rated 0 times [ 1] [ 0] / answers: 1 / hits: 1877 / 3 Years ago, sun, may 30, 2021, 4:31:10

Yesterday, after having resized and moved some of my partitions I have successfully enlarged my Ubuntu partition but in the morning I wanted to launch the computer and ... one thing I get is the "blinking beacon".

I have tried booting into Ubuntu 12.04 USB and it worked, the disk is working - I can access it's files but I cannot boot into it.

I have tried using boot-repair but with the automated option I get no luck.

This is the link to it's log http://paste.ubuntu.com/1155008/

Can anyone help me on this ?

I have been thinking on creating separate /boot partition in the beginning of the disk but I have some other Windows related partitions there (e.g. recovery partition) and this might be problematic.

EDIT
After clicking Restore MBR in boot-repair I can boot but only to windows:/

Another boot-repair log

EDIT

I have plugged in a USB stick in and installed my GRUB on it, then I was able to boot my Ubuntu (from hard drive) with GRUB from USB stick.

Now, since I already have access to my system - how can I repair/restore GRUB from here ? (or maybe even from anywhere else ) ?

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ainsbeave

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answered 3 Years ago anxietunnel · Accepted Answer

From your booted Ubuntu install, run sudo grub-install /dev/sda.

While it's possible that you also have a buggy BIOS and need a separate /boot partition that is not what is causing the problem here (if that were the problem, you would still get a grub rescue shell rather than just a blinking cursor) and therefore I would recommend not creating a separate /boot partition (at least until you find that you really do have a buggy BIOS which can't properly handle large disks).