I have a hewitt packer cp and on start up it says dvi and vga is not connected a

[brenril9]

Hello,
I have a hewitt packer cp and when I turn it on it says dvi and vga is not connected and then it goes to sleep and shuts down. I cannot get to anything to go to reboot with last confg

 

[blueeyesm]

'Hewlett Packard'

Do you hear a single beep after you power it on?