[CentOS] rescue - UEFI revert to BIOS boot - how?
Steven Tardy
sjt5atra at gmail.com
Wed Nov 21 04:00:03 UTC 2018
On Tue, Nov 20, 2018 at 7:40 AM lejeczek via CentOS <centos at centos.org>
wrote:
> hi guys
>
> I have a box on which UEFI boot has gone haywire and instead
> of boot it power the box down, that is before even going to
> grub2. (displays some error message)
> I if change to BIOS boot then I can start Centos' rescue -
> my question is: how can I rescue, re-build grub so it would
> boot from tradition BIOS?
If the OS was installed with UEFI enabled I would go back to UEFI mode.
Then re-add your OS boot configuration within the BIOS setup screen.
Most motherboard manufacturers detail this process on their website where
you browse the disk to select somefilename.efi and give it a label “CentOS”.
>
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