Booting error

[Nils Kassube]

C.Tresenriter wrote:
> I've just transferred the hardware from what was a working machine
> into another case and installed 14.10 on a 160 GB sata drive.
> On rebooting the message I got was something like... system disk
> error. Insert system disk blah blah blah.
> There are two identical disks in the machine and I ran the install on
> each of them.
> Obviously the installer recognized the hard drive and I see it during
> post but the bios does not show any disk installed unless I choose the
> setup raid option, then both disks show up.

Were both disks present when you installed to the two disks? If that was 
the case, it might be that the installer both times wrote the boot 
loader to the one disk which the BIOS doesn't use as the boot disk. Then 
the instructions on this page should help:
<https://help.ubuntu.com/community/Boot-Repair>


Nils