Screen goes White, machine locks up

[Vein]

I am usually surfing websites or playing EQ, when the screen goes white, and the machine locks up, crt alt del will not work. I have noticed that it happens while using the scroll wheel on the mouse. I also have noticed the screen is starting to flicker alot latley. the flicker does not preceed the "white out" event. I have a geforce ti4200 128mb, 2.3ghz Intel , 512 mem, running windows 2000. all drivers are updated. Is this the video card? or another problem?
thanks in advance for any help.

 

[leSLIe]

could be anything!, now is it hardware or software, to make sure that is not software U have to reinstall the windows from scratch, that is delete the partition in which u r gonna install windozzze. after it is installed, just install the driverz, do not install any other program, then install a very hardware intensive game, say like doom3, and run some timedemos, if your system is stable after 30 min, chances are it is not Vid card, CPU, Mobo nor RAM the ones that are making your system to hang up.