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new components, no screen

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So I just bought a new motherboard and CPU for my system, got everything installed and all the fans kick on but the screen wont register anything.
I checked my PSU and GPU and they both work fine, I also tried plugging my monitor directly into the motherboard video input and nothing.
Any thoughts?
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Gday hawkwing21, Posted Image

When working on the computer, please make sure the power is switched off, you have taken anti static measures, even when handling parts.

If the New Mobo is a different brand/model,
Did you change the I/O shield for the one in the Mobo box?
Did you check that the stand offs match exactly the pattern and number of screw holes in the Mobo? No extra ones.
Did you ensure TIM was used when installing the cooler?
Have you connect both the 24 volt and auxiliary 12 volt cables to the Mobo.

I suggest a basic test with the Mobo installed, and only the following connected, the CPU, > cooler, with fan connected to the CPU header, > 1 stick of RAM, > monitor connected to the integrated graphics, (ports matching) > Nothing else connected.
Switch on the PSU, >with a small screw driver, briefly short out the 2 power on pins on the Mobo, > enter BIOS by using the appropriate key for your Mobo.
Please post the result.

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