Boot problem

[Stefanie]

While trying to boot my computer, I get the following
error message:
"Error auto-sensing hard disk drive 2"
It then asks for a password. I don't have a
password, and don't know how to get past this message.
I put in a bootable restore disk, but it doesn't boot
from it.
If anyone has any ideas, please post or email me at
.

Thank you,
Stefanie