z170a M5 - No boot, no power

So I will start from the beginning.

My old system.
Asus P8z68-v
i5 2500k overclocked and water cooled
nvidia gtx 770
and some cosair ram 16 gigs.

Got a GTX980ti card and replaced the 770 at the same time i got a 1440p 144hz gsync monitor

I played for a...