Guys, why all my cards(470,480,570) lost in hashrate about 10% ? I think it began slowing few month ago. There some problems with dag file or it's same as with old cards(7950) ? Is it possible to get prewious speeds?
Read. Yes it is most likely the DAG slowdown if you haven't changed anything else in that time. According to those in the know it will be fixed by a driver update in the not too distant future.