HI, i recently upgraded my PSU from 480W to 450W. after i replaced the PSU, my monitor cant seem to boot, although all systems, i think, have worked. the reason that i changed my PSU is that the 480W does not have any 6-pin PCIe connector.
My pc spec:
ASUS h81m-k
Intel i3 4160 3,6ghz
ASUS GTX...