windows/ubuntu dual boot

[bruce]

As part of the testing, found some site, that illustrated how to get
to the page to "update" windows, recreate image, etc.. one of the
boxes to "reverse/go back to previous version" had been greyed out
with the dialog saying the update had happened longer than X days in
the past.."

So, it may have been that I did something back in the past, and the
system doesn't have the dual boot configured.

Although, there is a "lenovo" "D" drive, that's displayed, but not accessible!

thanks


On Tue, Aug 20, 2024 at 4:37 PM Robert Heller <heller at deepsoft.com> wrote:
>
> This (of course) is only possible if you can get into Linux...
>
> I'd suggest booting a live CD from USB or CD/DVD (depending on the age of the
> machine), find the Linux install, which can be mounted and chroot'ed to, then
> you can fix grub's settings and update grub.cfg (or grub.conf if old).
>
> It is *possible* that a MS-Windows update cleared off grub, so it will need to
> be re-installed.
>
> At Tue, 20 Aug 2024 20:37:18 +0100 "Ubuntu user technical support,? not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:
>
> >
> > Tuesday, August 20, 2024  at 15:17, bruce wrote:
> > windows/ubuntu dual boot (at least in part)
> >
> > >hi.
> >
> > >Got an old windows laptop.It has/had ubuntu as dual boot. At one time, I know
> > >it had the ability to see the screen when logging on, to select the OS. This
> > >no longer happens.
> >
> > >Any one know what might be happening, or what I can check?
> >
> > you may have the time grub displays set to zero
> >
> > sudo nano etc/default/grub
> >
> > GRUB_TIMEOUT=0
> >
> > or have the prober turned off
> >
> > GRUB_DISABLE_OS_PROBER=true
> >
> > change to suit your needs, then
> >
> > sudo update-grub
> >
> > personally I have
> >
> > GRUB_TIMEOUT=2
> > GRUB_DEFAULT=saved
> > GRUB_SAVEDEFAULT=true
> >
> > which (if no user interaction) runs the last OS choosen
> >
>
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