Sometimes when playing game (like 2hr or more) game slow downs and sounds goes off. after sound go off game using cpu nearly 100% and you cannot turn it on again. Other applications on pc is working without problems. This issue was on about 2 or 3 weeks. ( Controlled and checked on 3 different PC , all got same issue. 1 pc had clean installed game on windows 10. other 2 were updated ones on windows 8.1 pro.