Joel wrote in


1. If the BIOS can't see the DVD then you may want to check the
connection.

Checked power and data connections. Both are fine.



2. If the BIOS can see the DVD but won't allow to boot from DVD, and
it did before then either

a. You have overlooked something
b. Or the motherboard gone south?


I don't think it's the motherboard going south. Other than not being
able to boot from the DVD drive after installing Windows 7, everything
else is fine.