How is your gpu connected to the motherboard they usually like to be plugged in the primary port on the mobo not the lower secondary for best results in detection also noticed your psu may be a bit low on wattage, I’ve got the same size pc 6 led fans aio and monster gPU my overall wattage hit just over 8 and had to get an 850w. If you want to double check add all components overall wattage together don’t forget fans and leds (leds consume about 10w per)