EDIT: I don't know if there's a way to mark this resolved, but I think I found the problem. I decided the pull the PSU out of one of my other computers and plug it into this motherboard to see what happens. Surprise, it booted right up. So it turns out the power supply was faulty.
When pressing the power button, the lights and fans turn on for as long as the power button is held down but the boot process doesn't start and everything shuts off as soon as the power button is released. I've double checked that everything is plugged in securely, tried with just one stick of RAM in the 1 slot, then with just the other stick, tried removing the heatsink and ensuring there was no thermal paste on the motherboard or cpu, then reinstalling, double-checked there were no motherboard stands that didn't come through the holes, removed the graphics card and plugged the monitor directly into the motherboard video. I'm not sure what else might be the problem.
The motherboard is a Gigabyte Z170x Gaming, the CPU is a Core i5 6600K, RAM is Corsair Vengeance LPX DDR4 2x 8GB, PSU is EVGA Supernova 750 G2
Any thoughts?
When pressing the power button, the lights and fans turn on for as long as the power button is held down but the boot process doesn't start and everything shuts off as soon as the power button is released. I've double checked that everything is plugged in securely, tried with just one stick of RAM in the 1 slot, then with just the other stick, tried removing the heatsink and ensuring there was no thermal paste on the motherboard or cpu, then reinstalling, double-checked there were no motherboard stands that didn't come through the holes, removed the graphics card and plugged the monitor directly into the motherboard video. I'm not sure what else might be the problem.
The motherboard is a Gigabyte Z170x Gaming, the CPU is a Core i5 6600K, RAM is Corsair Vengeance LPX DDR4 2x 8GB, PSU is EVGA Supernova 750 G2
Any thoughts?
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