Question Pc wont turn on

Sep 17, 2022
Hello everyone i just changed my cpu stock fan to a water cooler.The problem is when i plug in my gpu that my pc wont turn on but when I unplug it it works normally.Any suggestions?
Specs:Ryzen 5650
Gpu:Gigabyte Rtx 3070
Water cooler:Cooler master Masterliquid ML240
Ram:16 Gb
Psu:Be quiet System power 9 700 Watt