System won't start, don't know what's wrong, I'm at my wit's end

stralle

Commendable
Jan 30, 2017
1
0
1,510
Hi, I'll keep this as concise as I can.

I bought new parts: i7 6700k, gigabyte z170-gaming k3

Problem: system turns on, fans spin, motherboard LEDs light up. Stays on for ~10 seconds then turns off and reboots it self, indefinitely. No picture on the monitor. I have no speaker so I don't know about beeps.

These are the steps I've done in order:

1. "Breadboard" with CPU, CPU cooler (cooler master hyper 212 evo), motherboard and PSU (chieftec bps 750c). Same problem.

2. Bought new PSU(Corsair cx650m). Same problem.

3. Replaced motherboard with another of the same model. Same problem.

4. Replaced motherboard again (motherboard #3) and got a new i7 7700k. Same problem.

I've tried with ram and without ram.
Both power supply's run my old system fine.

I don't know what can be wrong, any help you can give is very appreciated.
 

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