Re: booting by UEFI?

[Peter Ehlert <peter@sdi-baja.com>]

On 12/29/24 12:24, Joe wrote:
> On Sun, 29 Dec 2024 11:07:18 -0800
> Peter Ehlert <peter@sdi-baja.com> wrote:
>
> > On 12/29/24 08:26, Eben King wrote:
> > > I think I've done everything reasonable in my firmware to ensure
> > > booting by EFI.  I have:
> > >
> > > Storage boot option control      UEFI only
> > > Other PCI device ROM priority    UEFI only
> > > (other options for both are "Legacy only" and "Disabled")
> > maybe this will help.
> > Debian, and others show in GRUB, but not windows 10.
> > HP workstation: I press F9 on boot for a boot menu
> > I get a listing:
> > UEFI - debian
> >   >other systems<
> > UEFI - Windows Boot Manager
> >
> > It boots fine.
> > Restart and I get GRUB, but without a windows option
> If you run update-grub, do you see a warning that os-prober will not be
> executed? After installation or upgrade to grub, os-prober is disabled
> and will not detect Windows or any other OS that may be installed.

os-prober is activated. the other Linux distros are listed.

> https://forum.manjaro.org/t/grub2-why-is-os-prober-now-disabled-by-default/57599
>
> The answer is to modify /etc/default/grub and run update-grub again:
>
>   To restore the old behavior, open a terminal and issue sudo echo
>   GRUB_DISABLE_OS_PROBER=false >> /etc/default/grub && sudo update-grub
>
> Note that you will need to do this again when grub is upgraded.