Check my reply to your post in the other thread you posted this exact same problem on.
Also, make sure you're using YACMiner 3.5.0 and not 3.3.1 - they are vastly different! You can find binaries and source at the github link in my signature
It"s in my first time and i have problem. Nothing goes... Please, help me. I have Asus R 9 290 4Gb, 6 Gb RAM, driver 14.5, Win 7 64 bit.
Please.