hello cybercore ,sorry about the delay, this was a hardware issue nvidia geoforce 8600m gs errrrrr, I have read alot of things about the nvidia geoforce range , it doesn't seem to be a righteous product ,I have had problems with drivers and crashes for a while ,then I installed the drivers from the system manager, and it worked for months ,then crash bang wollop it stopped working bsod and the striped screen of mongol,but being a posative humanoid I checked out a technique called cooking your graffic card,and it really does work , you can put it in an oven at 200c, for 10 mins until crispy brown or you can use a hair dryer for 1-2 mins and hey presto it really works so thanx for your time cybercore it's always nice to know that there is someone there ,when you need help,cheers