Boot Failure, need some help

[Nils Kassube]

Larry Shields wrote:
> *I have a 120gb hd, which use to work just fine, but the other day I
> installed it and at when booting up, it says no filesystem please
> insert a system disk...
>
> After trying to access it using knoppix 5.1, it shows the hd as hda,
> but when I try to mount it, it too says could not mount device hda, I
> can not determine the filesystem type and none was specified...

If you use the Ubuntu live CD (I'm not familiar with Knoppix), what is the 
output of "sudo fdisk -l"? From that you can determine which is the 
partition with the Ubuntu installation. It is surely NOT /dev/hda but 
more likely /dev/hda1. Probably these pages will help to restore the boot 
loader:

https://help.ubuntu.com/community/GrubHowto
https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows


Nils