Whats your refresh rate set to Ugo ?
CRT Monitor = 70Mz
TFT LCD Monitor = 60Mz
If this don’t help what graphics are you using on board or graphics card do you need to update your drivers or move to more stable ones ? also check your VGA or DVI cable and connectors, if your using a graphics card if you post the make, model and driver No, and OS i will see if i can find you a more stable drivers.
Fizz :D