Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.user > #195723

Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM

From David Wright <deblis@lionunicorn.co.uk>
Newsgroups linux.debian.user
Subject Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM
Date 2018-05-14 16:00 +0200
Message-ID <vPmb7-nd-1@gated-at.bofh.it> (permalink)
References (4 earlier) <vOmGd-3Bb-9@gated-at.bofh.it> <vP0WZ-4uO-1@gated-at.bofh.it> <vP2Fr-5zv-13@gated-at.bofh.it> <vPj3z-74o-1@gated-at.bofh.it> <vPkVH-8aj-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On Mon 14 May 2018 at 13:28:56 (+0100), Chris Ramsden wrote:
> On 2018-05-14 01:21, songbird wrote:
> > Pascal Hambourg wrote:
> > ...
> >> I agree with the author. If you want to keep the existing EFI Windows 
> >> installation and have a convenient dual boot with GRUB, you'll have to 
> >> set up your favourite distribution to boot in EFI mode. If you want to 
> >> go back to legacy boot, including for Windows, you'll have to 
> >> repartition the disk to MSDOS format and reinstall Windows.
> >   all i know is that if your bios doesn't boot in
> > UEFI mode and you don't know anything about what this
> > means you can end up installing Debian without UEFI
> > support and then it can be rather fun to get it back.
> >
> >   i managed to have grub do an install to a stable
> > partition without UEFI and i messed up the testing
> > setup i had.  it took me some while to figure out
> > what went wrong and how to fix it.  if you don't
> > really understand grub rescue commands and there
> > isn't a working system you can use to connect and
> > find help for the commands you need to enter it's
> > very frustrating.
> >
> >   the Debian UEFI pages helped a great deal but 
> > there were other things i had to figure out coming in
> > cold to UEFI.
> >
> >   how to create a /boot/efi partition, what goes in 
> > it, mounting it, clearing and putting in new efibootmgr 
> > entries, etc.
> >
> >   refind was useful and at least it does what i expect
> > it to do.  grub, i dislike how it assumed things i
> > didn't want to do.  alas, i didn't know how different
> > UEFI was from bios mode.
> >
> >   i still haven't redone my efibootmgr entries but
> > refind doesn't care, i can create custom entries in
> > that config file and they work that is all i really
> > need at this point.
> >
> >
> >   songbird
> >
> Hmm, do you have any useful references?
> 
> I got a new Dell computer, shrunk the existing partitions down and
> successfully installed grub2 and got a windows10/Linux multi boot using
> grub. Then later I tried to upgrade my Linux and soon found that I was
> getting error messages about grub not being able to find necessary
> features on the boot device.
> 
> I tried to rebuild it with a clean install of Windows 10, reasoning that
> if I could get it back to the original configuration, I could repeat the
> original exercise. But alas, no, it remains stubbornly unable to install
> grub2 alongside the windows bootloader. I got it to a state where I
> could use the BIOS POST boot screen to choose a boot option, but this
> wasn't the original successful arrangement where grub offered me the
> Linux/windows loader choice.

Would I be correct in thinking that the BIOS POST boot screen is
what you get when you hit F12 sufficiently quickly after switch-on?
So are you choosing between UEFI and Legacy (compatibility) mode.
(I would like to know how Dell handles what I've been reporting on
with this Lenovo.)

> I gave up, wiped windows and went through with a clean Linux install. I
> don't really want windows that much, but it irks me that I haven't been
> able to fathom out how to return to the original state in which it was
> shipped. Your words hint at many things I became vaguely aware of but
> totally failed to grasp. The other posters to this thread have at least
> reassured me that it isn't easy or trivial to get right.

This is the scenario I was trying to avoid. As far as windows was
concerned, my mantra was Failure Is Not An Option.

Cheers,
David.

Back to linux.debian.user | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

USB Install Fails, Complains about CD-ROM Kent West <westk@acu.edu> - 2018-05-11 18:20 +0200
  Re: USB Install Fails, Complains about CD-ROM Robert Menes <viewtiful.icchan@gmail.com> - 2018-05-11 18:40 +0200
    Re: USB Install Fails, Complains about CD-ROM Rick Thomas <rbthomas@pobox.com> - 2018-05-12 01:10 +0200
      Re: USB Install Fails, Complains about CD-ROM Kenneth Parker <sea7kenp@gmail.com> - 2018-05-12 03:40 +0200
      Re: USB Install Fails, Complains about CD-ROM Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-12 19:40 +0200
  Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-11 18:40 +0200
  Re: USB Install Fails, Complains about CD-ROM Curt <curty@free.fr> - 2018-05-11 19:10 +0200
    Re: USB Install Fails, Complains about CD-ROM Kent West <westk@acu.edu> - 2018-05-11 20:40 +0200
  Re: USB Install Fails, Complains about CD-ROM songbird <songbird@anthive.com> - 2018-05-11 19:50 +0200
    Re: USB Install Fails, Complains about CD-ROM Kent West <westk@acu.edu> - 2018-05-11 20:40 +0200
      Re: USB Install Fails, Complains about CD-ROM Kent West <westk@acu.edu> - 2018-05-11 21:30 +0200
      Re: USB Install Fails, Complains about CD-ROM Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-11 22:00 +0200
        Re: USB Install Fails, Complains about CD-ROM Kent West <westk@acu.edu> - 2018-05-11 22:20 +0200
          Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-11 22:40 +0200
            Re: USB Install Fails, Complains about CD-ROM Kent West <westk@acu.edu> - 2018-05-11 23:00 +0200
              Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-12 00:00 +0200
              Re: USB Install Fails, Complains about CD-ROM Brian <ad44@cityscape.co.uk> - 2018-05-12 12:30 +0200
            Re: USB Install Fails, Complains about CD-ROM Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-12 19:50 +0200
              Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-12 21:40 +0200
                Re: USB Install Fails, Complains about CD-ROM Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-13 10:20 +0200
                Re: Block sizes in ISOs. was: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-13 11:30 +0200
          UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-13 17:20 +0200
            Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-13 19:10 +0200
              Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-14 02:10 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-14 23:40 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-15 04:00 +0200
              Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM songbird <songbird@anthive.com> - 2018-05-14 12:40 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM Chris Ramsden <chris.ramsden@gmail.com> - 2018-05-14 14:40 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-14 16:00 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM Chris Ramsden <chris.ramsden@gmail.com> - 2018-05-14 17:00 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM songbird <songbird@anthive.com> - 2018-05-15 02:50 +0200
            Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM Stefan Monnier <monnier@iro.umontreal.ca> - 2018-05-14 15:20 +0200
              Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-14 16:40 +0200
                Re: UEFI/"BIOS" booting "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-14 18:00 +0200
                Re: UEFI/"BIOS" booting Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-14 23:50 +0200
                Re: UEFI/"BIOS" booting "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-15 09:00 +0200
                Re: UEFI/"BIOS" booting Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-16 00:20 +0200
                Re: UEFI/"BIOS" booting Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-16 23:50 +0200
                Re: UEFI/"BIOS" booting "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-17 13:00 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about CD-ROM Stefan Monnier <monnier@iro.umontreal.ca> - 2018-05-14 18:00 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-15 03:30 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-16 00:40 +0200
                Re: UEFI/"BIOS" booting, was Re: USB Install Fails, Complains about  CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-18 20:40 +0200
                Re: UEFI/"BIOS" booting Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-14 23:50 +0200
                Re: UEFI/"BIOS" booting David Wright <deblis@lionunicorn.co.uk> - 2018-05-15 03:40 +0200
                Re: UEFI/"BIOS" booting Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-16 00:40 +0200
                Re: UEFI/"BIOS" booting mess-mate <eric.m.c.declerck@gmail.com> - 2018-05-16 15:20 +0200
                Re: UEFI/"BIOS" booting David Wright <deblis@lionunicorn.co.uk> - 2018-05-18 20:50 +0200
  Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-13 04:20 +0200
    Re: USB Install Fails, Complains about CD-ROM Curt <curty@free.fr> - 2018-05-13 10:30 +0200
      Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-13 12:10 +0200
        Re: USB Install Fails, Complains about CD-ROM Curt <curty@free.fr> - 2018-05-13 14:10 +0200
          Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-13 14:50 +0200
        Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-13 19:00 +0200
          Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-13 20:20 +0200
            Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-14 00:40 +0200
              Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-14 13:30 +0200
                Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-14 16:50 +0200
                Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-14 18:20 +0200
                Re: USB Install Fails, Complains about CD-ROM David Wright <deblis@lionunicorn.co.uk> - 2018-05-14 20:10 +0200
                Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-14 22:10 +0200
                Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-14 23:00 +0200
                Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-15 01:20 +0200
                Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-15 09:10 +0200
                Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-17 23:40 +0200
                Re: USB Install Fails, Complains about CD-ROM "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-18 08:50 +0200
                Re: USB Install Fails, Complains about CD-ROM Mike Kupfer <mkupfer@alum.berkeley.edu> - 2018-05-15 01:10 +0200

csiph-web