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3870 x2 Powercolor, after 20 mins gaming, no signal message, fan goes loud

3870 x2, Card unstable

Right ill start from the beggining.

I bought a 3870 x2,
I found that it was crashing when i was gaming. I thought it was a fan speed profile not working, which it still may be. I thought this because it was very quiet, and when it crashed, there was a no signal screen and a suddenly loud gpu fan.

I used rivatuner to control fan speed, couold hear hear the fan changing speeds but still getting crashes.

Reinstalled drivers etc. No help

One day everything starts working again...kinda

Go on holiday, come back and...gues what...its worse than it has ever been.

Remake fan profile on rivatuner, no help.

But in rivatuner menu, on the 'DRIVER SETTINGS', it says External Event Utility - Not found

Could this be the answer

Is this relevent, even though it is another driver?
http://www.neowin.net/forum/index.php?showtopic=550958&pid=588450236&st=0&
 
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