Question My gpu turn off while gaming

[berryderry]

Hi guys can you help me out with my Red Devil RX 470 . my gpu turns off while gaming i think it overheat but when i open side panel and adjust the fan curve it’s okay. sometimes its off when the temperature only hits 75 celcius. i already replace the thermal paste.

Specs :
Motherboard: B450M S2h
CPU : ryzen 3 3200g
Ram : Hyper furyx 2666mhz 4GBx2
PSU : avf gaming freak 500w 80+ bronze
GPU : RX 470 Red Devil

all items is new except gpu

 

[rgd1101]

test with another psu?

 

[berryderry]

test with another psu?

sadly i doesn’t have any psu lying around. is it overheating issues ?