Grub hangs after today's updates

[Boris Glawe]

Oliver Ruebenacker schrieb:
>      Dear friends,
>
>   A few minutes ago, I had a few automatic updates (including Kernel
> updates) for my Fedora 9, then rebooted and now I can't boot upagain.
> After BIOS, I see a black screen with only "GRUB" written on it, and
> nothing else happens.
>
>   What to do?
>
>      Take care
>      Oliver
>
>   
Find out, what you root partition is and from what device you're booting 
from.

Assuming, that you do not use dual booting and have only fedora on your 
machine and assuming, that you're booting from the device /dev/sda here 
are the instructions:

Download a rescue boot image and burn it on a cd. Download from this 
mirror for example:

http://sunsite.informatik.rwth-aachen.de/ftp/pub/Linux/fedora/linux/releases/9/Fedora/i386/os/images/boot.iso

Boot from that cd and choose "rescue system" at the boot prompt.

It's very likely, that the rescue routine will mount your system on the 
directory /mnt/sysimage.

As instructed by the user interface run this command:
chroot /mnt/sysimage

 From the point on you work in the same environment/os installation as 
you normally boot directly.

Run this command:
grub-install /dev/sda

Type "exit"

then type
reboot

remove the cd from your drive and you will possibly be able to boot from 
hard disk again.

greets Boris