AMD r9 380

[Sa3eedidais]

hello guys , i bought AMD R9 380 4gb gpu , and when i installed it on my computer , it lights up and collers works , but only black screen , doesnt give me any picture
what should i do or what should i change to use the gpu?
specs ;
mobo : foxconn 2abf
ram : 8gb
psu : 600W

 

[Ximerous]

Could you list full specs, including models for psu etc.