[CentOS] CentOS 6 x86_64 DVD doesn't boot

[DV]

On Fri, Jul 15, 2011 at 09:46, Kanwar Ranbir Sandhu
<m3freak at thesandhufamily.ca> wrote:
> On Thu, 2011-07-14 at 09:32 -0400, Kanwar Ranbir Sandhu wrote:
>> ETCDisolinux: Found something at drive = EF
>> No DEFAULT or UI configuration directive found!
>> boot:
>>
>> The same disc works fine in my 4 year old HP laptop, and when installing
>> CentOS 6 as a KVM.
>
> I've tried everything people have so kindly suggested - the DVD has
> failed to boot each and every time.
>
> I decided to burn a Fedora 15 x86_64 DVD ISO to the same rewritable DVD
> I've been using for the CentOS 6 DVD image. I also used the same burner.
> The Fedora 15 DVD booted just fine.
>
> So, what I can conclude is something is broken.  :/
>
> Ranbir
>
> --
> Kanwar Ranbir Sandhu
> Linux 2.6.32.26-175.fc12.x86_64 x86_64 GNU/Linux
> 09:36:53 up 9:26, 1 user, load average: 0.10, 0.12, 0.09
>
>
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>

I would try the bios setting AHCI (vs. compatibility mode) if you have it.

http://www.911cd.net/forums/lofiversion/index.php/t23099.html

This is the SATA Advanced Host Controller Interface:

http://www.techmetica.com/howto/sata-ahci-mode-bios-setting.-what-does-it-do/