motherboard lights on

Hello, I recently removed my graphics card from my system in order to use my igpu. After removing my gpu my system will no longer power on. So far I have reset the cmos, put the gpu back in, flashed the bios, and tried booting with 1 stick of ram. I don’t have an extra power supply does anyone...

Mobo lights on , lan plug light on, pc wont turn on I9 1085k no oc/ Asus ROG z490m G / corsair dominator 4000mhz 32gb/ psu 800w Pc wont turn on, when i press the power button nothing happens, mobo rgb light are on , the lan plug on mobo lights on so seems mobo is fine, shorting power switch...