MSI 3870 Crashes

[cabmanuk]

Hi everyone

I am running a 3870 and tonight i was playing a game and i heard the fan stop working,the screen went black with a no signal sign.First time this has happened thou i have only had the card about 3 weeks, any ideas what it could be?

 

[grudas]

overheating? turn your fan up with riva tuner and see if it happens again

 

[cabmanuk]

overheating? turn your fan up with riva tuner and see if it happens again

Thanks mate for your reply , How much should i turn it up? Its default is 80%