Expertool

[needforspeed]

The Gainward gtx 285 gpu I got, comes with a software called Expertool. Do I need this anyway?

 

[Temi_D]

Its for overclocking and fan control

 

[needforspeed]

I had a blue screen before. I think it said the nvlddmkm.sys. I read that underclocking the memory clock makes it stable so I use the Expertool?????