Does it matter that my system is pre-EFI?

On Monday, July 1, 2019, stan via users <users@lists.fedoraproject.org> wrote:
On Mon, 1 Jul 2019 17:09:44 -0500
Steven Ulrick <meow8282@gmail.com> wrote:

> On Monday, July 1, 2019, Steven Ulrick <meow8282@gmail.com> wrote:
>
> > Hello, Everyone
> > I just booted the live DVD of Fedora Workstation 30. I chose to
> > install to harddrive. It appeared to install fine, but it boots to
> > nothing but a black screen with a flashing underscore character.
> > So, where do I go from here? I have been successfully running
> > Fedora 27 on this same system for quite a while. Again, this is NOT
> > an attempted upgrade from Fedora 27.
> >
> > Steven P. Ulrick
> >
> > Tried to boot into single user mode, and since I wasn't given an 
> >opportunity to set a root password, "the root account is locked.
> >" ...

When you try to boot the new system directly, hit ESC or space during
boot to try to bring up the menu.  Then edit the boot line to remove
rhgb and quiet. That should show you the actual output during boot, and
what is causing the problem will usually be the last thing displayed.
That's a good place to start looking for the issue.

You could also check your firmware configuration by pressing F2 or Del
during boot to bring up the firmware menu.  What is the default boot
set to?

Do you have any way of examining the system?  Usually the install media
will have an option to boot in rescue mode, and then you can mount the
new system under /mnt/sysimage to see it.  The install media should
have commands like /blkid, etc. to see what is happening, and vi should
be present (actually vim minimal) for editing.

At the very least you want to look
at /etc/fstab, /boot, /boot/efi/EFI/fedora and /boot/loader/entries. 
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