[ubuntu-za] Updating grub fails

[Wikus Van Dyk]

Thanx Xandor ,

None of that is the case. I do not have USB plugged in , I do not have 
dual boot , I did not enable fast boot
in BIOS and I did supply the correct drive as destination.

I will go read that link you supplied thanx.

- Wikus

On 16/07/2016 10:37, Xandor Schiefer wrote:
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> Hi Wikus,
>
>
> Did you boot the system with a USB drive plugged in by any chance? It's
> possible that if you did that your hard drive is not /dev/sda now, but
> /dev/sdb.
>
> In any case, you can find out which partition your root filesystem is
> mounted to with the following command:
>
> df | grep /$
>
> Note that that will output the root *partition*, not the drive.
> If your partition was /dev/sdx1, then your drive is /dev/sdx (without
> the number).
>
> If that drive is different to the one you tried, then try to install
> grub to the drive we just found (incidentally, if this *is* your
> situation, the reason it could still boot is because grub typically uses
> the UUIDs instead of device "letter" in crub.cfg).
>
> If that's not the case (i.e. the drive you supplied initially is the
> drive that contains your root partition), then possibly you've got a
> Windows-Ubuntu dual-boot setup with two physical drives? In that case
> figure out which drive is your windows drive (should be easy enough to
> find: mount the drives in 'disks' GUI program, inspect the contents),
> and install grub to that *disk* (not *partition*).
>
> If that is also not the case, then there's a number of things that could
> be the problem. Possibly you changed some BIOS settings (e.g. "Fast
> Boot"). Perhaps this thread will be of interest:
> https://askubuntu.com/questions/532540/ubuntu-installation-failure-unable-to-install-grub
>
> Kind regards,
>
>
> Xandor Schiefer
> 079 706 5620
>
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