Grub clarification

[Gordon Messmer]

Daniel B. Thurman wrote:
> 
> Taking the defaults w/o any changes, I proceed and completed
> the installation.
> 
> On reboot,  GRUB fails to find the drive.

Before you rebooted, you should have been able to switch to a shell to 
examine the installed system.  If you can mount that drive, you should. 
  Otherwise, get to the shell to check the contents of 
/boot/grub/device.map.  What's in there?

What's the full text of grub's error?