Cannot boot after the last updates

[Paul Smith]

On Fri, Aug 15, 2008 at 8:12 PM, Craig White <craigwhite at azapple.com> wrote:
>> After the last updates were installed, I cannot boot in my machine: it
>> stops when the line
>>
>> GRUB
>>
>> appears on the screen. Any ideas how to repair the problem? I am running F9.
> ----
> probably too much to ask people to search the archives...
>
> https://www.redhat.com/archives/fedora-list/2008-August/msg01404.html

I do not have any rescue/installation disk. Can it be done with
Knoppix?  If so, how?  I have tried

# grub-install /dev/sda
Probing devices to guess BIOS drives. This may take a long time.
Could not find device for /boot: Not found or not a block device.
#

Paul