Killer Z270 SLI/AC will not power up

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   Just installed an Intell i7-8700 and 2 sticks of PNY 8GB DDR4 2133Mhz.  Nothing else installed yet.  When I hit the I/O button on the PS the white/bluish led under the black and white ASRock heat sink comes on and pulses.  It then turns red and pulses.  Pressing the power button has no effect; not even the power supply fan.
My case doesn't have a speaker, although I would guess since it won't even power that wouldn't help.  The manual has no troubleshooting section that I can find to determine if the colored LEDs have meaning.

I must have built 50 systems, and usually if they won't boot (which is rare) I triple check all connections.  Did that a few times - they're all good.  Then pull the CMOS battery.  No luck.  Even disconnect the power and jump the clear CMOS jumpers.  Still no luck.

I think I've only had 1 DOA MB in all those builds - usually there is something in the manual. 

Any help is appreciated.

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rabinnh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 12 Apr 2018 Status: Offline Points: 3	Post Options Post Reply Quote rabinnh Report Post Thanks(0) Quote Reply Topic: Killer Z270 SLI/AC will not power up Posted: 12 Apr 2018 at 5:59am
	Just installed an Intell i7-8700 and 2 sticks of PNY 8GB DDR4 2133Mhz. Nothing else installed yet. When I hit the I/O button on the PS the white/bluish led under the black and white ASRock heat sink comes on and pulses. It then turns red and pulses. Pressing the power button has no effect; not even the power supply fan. My case doesn't have a speaker, although I would guess since it won't even power that wouldn't help. The manual has no troubleshooting section that I can find to determine if the colored LEDs have meaning. I must have built 50 systems, and usually if they won't boot (which is rare) I triple check all connections. Did that a few times - they're all good. Then pull the CMOS battery. No luck. Even disconnect the power and jump the clear CMOS jumpers. Still no luck. I think I've only had 1 DOA MB in all those builds - usually there is something in the manual. Any help is appreciated.

badbri Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 20 Feb 2018 Location: USA Status: Offline Points: 415	Post Options Post Reply Quote badbri Report Post Thanks(0) Quote Reply Posted: 12 Apr 2018 at 9:59am
	Z270 boards do not support 8000 series cpu, you need a Z370 motherboard. Please list all your components so we can be sure that is the issue.
	https://www.passmark.com/baselines/V9/display.php?id=99573335296