Here what happen i just bought new pc and while booting for the first time it worked and i saw screen seting which i have to set ..but by mistake i lpged pc off to put new fan with out setup.the bios setting .. Now i cann't open my pc never power tried to remove the cmos battry. For 8h but still nothing 🙁 my psu is good quality and it already work with other.pcs so need help plz