Fans spin, mobo lights up, no display.

[mushiwushiwastaken]

I bought a new PSU, motherboard lights up and the fans spin but there's no display. I removed the CMOS battery, reseated the RAM, still nothing. I plugged in my previous PSU it works perfectly fine.

One thing I did notice though is when I installed the new PSU, everything lights up apart from the RGB light on the GPU. I thought that was it so I removed the GPU and plugged the HDMI to the onboard graphics of the CPU, still nothing.

The PSU is a Seasonic M12II Evo Edition 520W.
My previous PSU was a Corsair VS450.

 

[alexoiu]

If properly connected and still no go, then it might be defective. Try returning it, to be replaced.

 

[Serinox]

What happens when you press reset while it's running?

 

[shknawe]

I would make sure that Both ends of power cords are checked to make sure they are seated properly, in power supply end and motherboard end.

 

[Bnj123]

I bought a new PSU, motherboard lights up and the fans spin but there's no display. I removed the CMOS battery, reseated the RAM, still nothing. I plugged in my previous PSU it works perfectly fine.

One thing I did notice though is when I installed the new PSU, everything lights up apart from the RGB light on the GPU. I thought that was it so I removed the GPU and plugged the HDMI to the onboard graphics of the CPU, still nothing.

The PSU is a Seasonic M12II Evo Edition 520W.
My previous PSU was a Corsair VS450.

I have the exact same problem with the exact same PSU. Did you managed to solve your problem?