Monitor goes in sleep mode on startup (Vista ultima 64 bit)

[Bokaj]

I have had Vista for a long time. Recently I install some updates and the new
Nvidia graphic driver 175.16 for Geforce 8800 GT. After when I boo the
monitor goes in sleep mode during start up. Everything is working in the
background but I have a black screen. Tried to go back to the previous
graphic driver but the problem was the same. When I uninstall the graphic
driver (in safe mode) the computer boots normally. I have never had these
problems and I guess it is related to some Vista updates.
I have reinstalled Vista and updated it (so no other installed
appliactions), and the problem is the same. Installed graphic driver =
monitor in sleep mode.

Do you have any suggestions .. some power management or something.

I have a Gigabyte nforce 650i motherboard with newest bios and drivers
(which are quite old actually

 

[Richard G. Harper]

Boot into Safe Mode and lower the screen resolution as low as it will go.
Restart the system and slowly and carefully, one step at a time, raise
resolution until it's where you want it to be or the screen blacks out
again. If the screen blacks out just wait and it will come back.