This one sounds dead.
Hello everyone.I have a problem.I have got HD6850 sapphire.A short time ago,my cousin poured a little food oil to the card.(No knowledge)and my screen is not came after that happened.I opened the card with my friend and we find out that chip is still alive and working,but the rams were with oil,so we cleaned them,put them right back and still not working,so we couldn't find the problem,what do you think? Please i need help! (sorry for bad English)

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic