New Motherboard goes on and off.

Feb 22, 2018
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I recently bought upgrades to my PC. A Gigabyte H110m-DS2 mobo, Intel Pentium G4600 processor, and a Team Elite Plus DDR4 4GB 2133 Mhz RAM.

I'm positive I plugged all connections correctly but then it just goes on and then off after a few seconds and repeats.

I placed my old parts back in and they worked fine so I'm not sure what's wrong. Can anyone please help me?