Displaying 4 results from an estimated 4 matches for "fbx64".
2018 Feb 01
3
Re-enable grub boot in UEFI (Windows took over it)
Hello Chris,
On Thu, 01 Feb 2018 17:00:03 +0000 Chris Murphy <lists at colorremedies.com> wrote:
> You can to use efibootmgr for this. NVRAM boot entry is what changed, not
> the contents of the EFI System partition.
>
> efibootmgr -v
>
> Will list all entries and Boot Order. You need to use --bootorder to make
> sure the CentOS entry is first.
Interesting.. thanks
2018 Feb 01
5
Re-enable grub boot in UEFI (Windows took over it)
...nd files are still there.
/boot/efi/EFI/centos/:
BOOT.CSV
BOOTX64.CSV
fonts
grub.cfg
grub.cfg.1501243846.rpmsave
grub.cfg.1505469290.rpmsave
grubenv
grubx64.efi
mmx64.efi
shim.efi
shimx64-centos.efi
shimx64.efi
maybe /boot/efi/EFI/Boot/ contents has been altered?
/boot/efi/EFI/Boot/:
bootx64.efi
fbx64.efi
I had a backup of the full efi partition (`dd`) but it's outdated and
I feel it's a bad idea to restore the partition from it.
Still from this "external" grub prompt, I could boot into my CentOS7
using:
configfile (hd0,gpt1)/EFI/centos/grub.cfg
At least I know how to get b...
2018 Feb 05
0
Re-enable grub boot in UEFI (Windows took over it)
...s
> grub.cfg
> grub.cfg.1501243846.rpmsave
> grub.cfg.1505469290.rpmsave
> grubenv
> grubx64.efi
> mmx64.efi
> shim.efi
> shimx64-centos.efi
> shimx64.efi
>
> maybe /boot/efi/EFI/Boot/ contents has been altered?
>
> /boot/efi/EFI/Boot/:
> bootx64.efi
> fbx64.efi
>
> I had a backup of the full efi partition (`dd`) but it's outdated and
> I feel it's a bad idea to restore the partition from it.
>
> Still from this "external" grub prompt, I could boot into my CentOS7
> using:
> configfile (hd0,gpt1)/EFI/centos/gru...
2018 Feb 01
0
Re-enable grub boot in UEFI (Windows took over it)
...forward slashes for it to work, something like this:
sudo efibootmgr -c -w -L CentOS -d /dev/sda -p 2 -l
\\EFI\\redhat\\grub\\shimx64.efi
Option 2:
At least on Fedora 27 + Windows 10, this is what my ESP contains:
??? EFI
? ??? Boot
? ? ??? bootx64.efi
? ? ??? fallback.efi
? ? ??? fbx64.efi
Those are Fedora installed default bootloaders. So if you wipe out all
the NVRAM boot entries, these get used first. And when fallback.efi
figures out that there isn't a proper NVRAM boot entry, it's supposed
to insert one, just like the Option 1 command above does. You'll use
'...