I just build new PC with these used/secondhand parts:
Motherboard: Asrock A320M-HDV
BIOS: p 4.70, all default no overclock
CPU: Ryzen 5 2600
GPU: AMD RX 580 8gb
PSU: CoolerMaster MWE GOLD 550w
SSD: 500MB
HDD: 2TB
RAM: 2 x 8gb 3200mhz (new)
For 1 month everything is fine, but now my pc suddenly...