Give some more info on this, Tony. I've had a few video headaches of my own. Define what you mean by 'peventing the computer from booting up'. Also, what do you mean when you say that the computer works just fine when the monitor is detached? (Is it attached to another monitor?) Be more explicit in your symptomatic descriptions please. >Can anyone help me with this?Every time I connect the monitor up to the >computer(its an NEC monitor) it prevents the computer from booting up just >like it had shorted it.When I detach it from the computer the computer >works fine.I'd appreciate any help. >Tony. Curious about the people moderating your messages? Visit our staff web site: http://nospin.com/pc/staff.html