My bad and thanks for the advice i'll do it next time. No I did not uninstall the 210 drivers and my psu is evga 500w i dont know how old it is cuz i got it from a friend.You should list your specs like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Did you uninstall the older Nvidia drivers for the GT210 prior to dropping the RX550 in? Also, how old is your PSU?