Let's call it 100+ Watts just for the video card.
Let's hear a lot more detail about your PC. Make, model of the PSU in particular so I can see if it's just another power shortage (not short, but not enough power.)
Hello everyone, I am quite new on computers, my uncle bought me a RX560, but my computer only has AMD-A10-5800K + GIGABYTE GA-F2A58M-DS2. and it doesn't work? what should I do? should I change the Motherboard? if it? can you suggest motherboards perfect for A10 & RX560. Thank you!