Default Radeon WattMan settings have been restored due to unexpected system

Hi:

 

This is my first post in this forum.

 

i tried a lot of thing and i cant find a soution for this so i hope you can help me pls.

 

My problem is that when im using my pc sometimes (specially when im playing games) the settings of wattman go to default and my pc turn off ( i think is becouse it overheats) and when i open it again it says "Default Radeon WattMan settings have been restored due to unexpected system".

 

I tryed a lot of things,like check my ram,update to last versions etc.

 

PLS can you help me im desperate .

 

My card is rx480.

 

My OS is windows 10.

 

My CPU is AMD FX 8350.

 

I have 16 GB RAM.

 

My motherboard is an ASUS 970 PRO GAMING RGB

 

pls i hope you can help me and thank you very much.