Help help !!! new monitor system wont boot!

[rapid64k]

Gents, I put a new 24" Samsung Monitor on my system today now my system wont load vista.
so i put the old monitor back on system but it keeps rebooting cant boot into safe mode or even last known good config.
Did the monitor do something to my system?
Looking like i may have to reload Vista32.

 

[rapid64k]

Phew!!! got it going now, seems like the ATI driver went ape. put windows in a loop.
but its ok now.