system could not boot

[Antony Gelberg]

mayankgarg1 wrote:
> Hi
> 
> How can I reinstall GRUB
> 
> I have searched Wiki and worked accordingly but could not get the error
> solved.
> 
> Because it ask me about using command Grub-install /dev/hdaX where X is
> the root partition .
> 
> On my PC ubuntu is installed on Partition no 3 then what value of X
> should I give  in this command.

fdisk -l /dev/hda lists the partitions on hda.