PC Graphics

[teslacrunch]

So whenever I start a game it instantly blackscreens me unless I underclock by up to 30%, although this really just delays it until it happens: 

Here are my specs: 

GPU -

Asus Expidition Radeon RX 570 4GB

CPU- 

Ryzen 3 2200g

RAM-

CORSAIR Vengeance DDR4 3000

PSU- 

EVGA 500 BT (500W)

MOBO- 

ASRock B450M Pro4

any asistance helps, thanks!