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<H1>[Mageia-dev] Booting on GPT + UEFI + Secure Boot...</H1>
<B>Thomas Backlund</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Booting%20on%20GPT%20%2B%20UEFI%20%2B%20Secure%20Boot...&In-Reply-To=%3C50EADC44.4090509%40mageia.org%3E"
TITLE="[Mageia-dev] Booting on GPT + UEFI + Secure Boot...">tmb at mageia.org
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<I>Mon Jan 7 15:31:32 CET 2013</I>
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<PRE>Olivier Thauvin skrev 7.1.2013 15:41:
><i> * Pascal Terjan (<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">pterjan at gmail.com</A>) wrote:
</I>>><i> On Mon, Jan 7, 2013 at 11:31 AM, Olivier Thauvin
</I>>><i> <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">nanardon at nanardon.zarb.org</A>> wrote:
</I>>>><i> Hello again,
</I>>>><i>
</I>>>><i> I just buy a wonderfull HP ENVY23 smartscreen.
</I>>>><i>
</I>>>><i> It has:
</I>>>><i> - Windows 8 (I'd like to keep it)
</I>>>><i> - GPT Formated disk (2T)
</I>>>><i> - UEFI
</I>>>><i> - SecureBoot
</I>>>><i>
</I>>>><i> I am trying to install a Mageia on it:
</I>>>><i> I disabled secure boot.
</I>>>><i> I succeed to boot using PXE (using legacy boot) and to install mageia2,
</I>>>><i> but it failed to boot on Mageia using legacy boot.
</I>>><i>
</I>>><i> Do you know how it fails?
</I>><i>
</I>><i> The "Bios" claim the disk is not bootable and it switch to the next
</I>><i> device (network card or UEFI/windows 8).
</I>><i>
</I>
That's because the bootloader installed is not an efi one,
so it will be ignored.
>><i>
</I>>>><i> So questions:
</I>>>><i> - is it possible to boot Mageia using legacy boot on GPT disk ?
</I>>><i>
</I>>><i> Yes (using grub, not lilo)
</I>><i>
</I>><i> It's the case, but it's not working.
</I>><i>
</I>
The gpt part works, the (u)efi part needs a (u)efi capable bootloader
installed in ESP partition on the disk (usually mounted as /boot/efi)
On a Windows7 system I used the fedora grub-efi package following this:
<A HREF="http://www.rodsbooks.com/efi-bootloaders/grub_legacy.html">http://www.rodsbooks.com/efi-bootloaders/grub_legacy.html</A>
I havent tested if grub2 is capable of booting it...
><i> I did try in rescue mode to reinstall grub but it failed with "hd0 not
</I>><i> found".
</I>><i>
</I>>><i>
</I>>>><i> - is it possible to boot Mageia using UEFI ?
</I>>><i>
</I>>><i> I think so but I have never tried. I remember someone reporting success.
</I>><i>
</I>><i> I'll seek archives then.
</I>><i>
</I>
I have a Win8 system here too wich I have plans to try and get
all isos to boot in efi mode on and install properly on but
haven't had time to do much of it yet.
--
Thomas
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