I got my pc from store, windows 7 and drivers was also from store. Half year later i wanted to reinstall windows 7 , starded searching drivers. When i did installed drivers destop was still like without them, i could play games but sometimes cubes and tearing was showing on. Before reinstalling windows everything was fine. So i almost sure im missing some kind of drivers. Pc spec
Intel Core i5 4460 @ 3.20GHz 46 °C
Haswell 22nm Technology
8.00GB Dual-Channel DDR3 @ 798MHz (9-9-9-24)
ASUSTeK COMPUTER INC. B85M-G (SOCKET 1150)
MD 20999 (1920x1080@60Hz)
8192MB ATI AMD Radeon R9 390 Series (ASUStek Computer Inc
What AMD drivers are you using at the moment?