PC Starts then shut down

May 13, 2018
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The computer starts up for a few seconds, everything like fans and light on the motherboard lights up and then shut down.

When disconnecting the CPU power wire ( from the PSU) from the motherboard, the computer stars up, everything like fans and light on the motherboard lights up and stay on, but then there is no signal to the screen. And that is expected of course, just wanted to mention it.

Gigabyte Z370P D3, Ballistix memory 8GB dimm 2400, Intel Core i7 7700K 4.2Ghz

Please help (yes I have read the sticky)
 
May 13, 2018
2
0
10
Thanks alexoiu, you are right. The store said that this motherboard supports gen 7, so thats why I ordered a gen 7 CPU. But they are mistaken, on the gigabyte website thay say as you allready have said that it support gen 8 not ge 7