Since installing an RX550, my bootup screen has changed from the normal motherboard splash screen to a lot of flashing multi-coloured squares (I was originally using on-board graphics). Other than that, the card appears to work fine and I have no other problems at all. Is this normal? I suspect not. I've cleared out all drivers and reinstalled. I've done a memory check on the main PC Ram.
Suggestions?
A picture of the screen is attached
