Radeon RX 550 (screen error)

Hi guys, i'm using AMD RADEON RX 550 and i need some help, sometimes (usually when i'm playing games) i got a screen error, it isn't a blue screen, it have a lot of pixels with random colors and i have to restart my pc everytime it happens, i contacted with microsoft support and they told me i have to ask to AMD, if anybody can help me i'll be grateful. thanks for reading