我部機今日唔知做咩打LOL都LAG

我部機今日唔知做咩打LOL都LAG,琴日仲好地地,今日打LOL CPU佔用率70% FPS:02 開GTA 5 玩都未玩就 CPU佔用率100% FPS:開都開唔到

顯卡:R9 390X
CPU:i7-4790