Soldato
- Joined
- 26 Apr 2004
- Posts
- 9,793
- Location
- Milton Keynes
Oh, if you have Stalker, definately recommend the Stalker Complete Mod posted in the PC games section, should run well on your 4850 providing you're not running 1920x1080 

Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.
What PSU do you have?
Have you tried reseating the card?
What about trying your card in a friend's machine, or vice versa?