In the BIOS make sure any options to do with booting from USB are disabled.
Alternatively remove any memory cards from the printer if it has that
capability.
--
Kerry Brown
Microsoft MVP - Shell/User
http://www.vistahelp.ca
"M. Krantz" <> wrote in message
news:B6BD974F-61D2-4F39-BC2E-...
> Anyone else have this issue. If the printer (Canon Pixma MP130) is on, the
> Vista PC will not restart. It gets to the BIOS screen and then you get a
> black screen with a flashing DOS-like "_. " Once you turn off the printer,
> Windows Vista starts. Any ideas?