computer not starting. Pushing power button turns on lights, fans but no image. quick power cycle fixes it

[Guest scott arsenault]

Ok so no changes happened to any components (other then updates ext.) inside my pc for months now just started doing this last 2 weeks and I've been experimenting with it to see if unhooking stuff might fix it.I turn it on the led's, cpu fan, other fans, hard drives all power on. But no image. I waited 5min a few times. Nothing. I hit the power switch on the power supply and turn it off then on right quick. If i did it fast enough it shuts off then back on without hitting main power button "weird i know" anyways moment i do that it starts leds, fans everything then like sec's after image for o

 

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