last week i was format my pc and install windows 10 Pro,but have a problem now,it will black screen easily,when it was black screen,my all apps still running,because i open media player listen music, the music still playing after black screen,i see is the graphic problem,but when i using win7 no this kind of problem come out,pls help me...
my pc spec:

Proccessor                : Intel Core i3 4130 Haswell
RAM                          : Kingstone Hyper X 8gb 1600mhz  X1
HDD                          : Toshiba 1tb  X1
                                  Seagate  500gb  X1
                                  Western Digital Blue  500gb  X1
Motherboard              : Gigabytes B85M-D3H
Graphic Card            : Sapphire R7 1GB DDR5 With Boost
Power Supply            : 500W power supply (i forgot use what brand already)