have rx 480 and PUBG freezes mid game FORCES TO HARD RESTART

Hi i have rx 480 , in 17.7.1 update my cs go was freezes mid game and i had to restart my pc everytime now with 17.7.2 this problem is happening on PUBG im done with it when i restart my pc my gpu does a lot of noice and when my pc starts it says AMD WATTMAN SETTINGS RESTORED TO DEFAULT or etc..  i really done with it im not using wattman settings at all i didnt overclock my gpu or anything can u guys help me ? i wish i didnt buy amd ....