BSOD while playing games

[gessej]

I've re installed latest drivers I've search everything updated all my windows files.

It always happens when I play league and dota 2

 

[Tmagic650]

What is the video card's model?

 

[gessej]

[FONT=verdana]SAPPHIRE Radeon HD 6850 1GB 256-bit GDDR5 PCI Express 2.1 [/FONT]

 

[gessej]

Anyone know the problem at all?

 

[Tmagic650]

Could be a video card driver or a video card problem. What is the size of the power supply?

 

[gessej]

Its 500w power supply!

 

[Tmagic650]

Windows 7 and how much memory?