Can't boot to Ubuntu iso DVD

[Liam Proven]

On Mon, 4 May 2020 at 20:53, Douglas Pollard <dougpol2 at gmail.com> wrote:
>
>     This I am sure is due to my own recklessness. I had downloaded
> Ubuntu Studio 19 .10 doing video. I could see no advantage with it for
> video making over Ubuntu so I burned an Ubuntu 20.04 DVD iso and But my
> Hp  crashed when trying to boot and Run Ubuntu on top of Studio as my
> new operating system. I downloaded a new Iso Ubuntu file and it called
> for a Check sum. I had not done that on the first Ubuntu disk so I guess
> my first try was faulty. I down loaded a new 20.04 burned it but It
> would not boot. tried it several times. Reburned the dvd and still would
> run boot from it. So installed Ubuntu studio on an older Dell Optiplex
> and then tried to Install the 20.04 over it as before It did not boot
> the new 20.04 . Now that computer will not boot to any ISO DVD but will
> still boots to the 19.10 Ubuntu Studio that I previously installed on my
> Hard drive. Do you think I have corrupted Grub?   Thanks,  Douglas

You may need to tick the box to format the existing root partition
when you install.

Or, alternatively, boot the live DVD and pick "try Ubuntu" and use
Gparted to format your root partition.


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