Motherboard not powering on.

Here is my set up.

anidees AI Crystal XL Lite Version Full Tower
Asus-maximus-hero-x wifi
G.Skill TridentZ ddr4 3200
Corsair RM1000x power supply
I5-8600k

After setting up the motherboard wouldn't power on. All the RGB lighting comes on and the red start button on the board light up but when pressing the case or the board power button nothing happens.

I tested with my old power supply still same results. Also  bench tested and will only basic hook ups no change.

Amazon consider it defective and sent replacement. Still same result.

Talked to Asus tech support and guy was very helpful. After going through all the same stuff I tried he said it looks like the bios needed to be updated to have the board post with my cpu. So I downloaded the file put on USB and used the USB flash. That finished and still same result.

Spoke to Asus again and this time the new lady decided either board or cpu is bad. I find it hard to believe two boards were defective.

Like to also point out I find the cpu lock down bracket feels a bit tighter then I would think it needs to be. The pins all look fine on board. However looks like from factory they are designed to have a slight angle on half of them rather all 100% sticking straight up. Maybe the last common for painless cpus my last build wasn't pinless.

I've double checked the power supply cables as well as reseated hardware multiple times. I'm out of ideas and found no other help with my own research.

Hoping someone may have another idea to try or maybe something I'm missing. Otherwise I might have no choice but to get a replacement board and cpu. I have no other cpu that is compatible with this board to test with.

Any help would be appreciated and thank you in advance!
Nick KlineAsked:
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Dr. KlahnPrincipal Software EngineerCommented:
Extract the board from the case, put it down on a nonconductive surface, hook the power supply up to it.  Remove all connectors except the power supply connector.

Install a PCI or PCI-E POST card into any available slot.  (If you don't have a POST card, get one.  They're cheap and indispensable for this kind of testing.  However, you may want to buy one located in your country rather than wait six weeks for one from China.  Money :== time; .)

https://www.ebay.com/sch/i.html?&mfe=search&_nkw=pci+post+card&_sop=15

Short across the motherboard front panel connector power control pins 6 and 8 to turn the motherboard on.

MB front panel connector
Watch the numeric display on the POST card and see if it counts off hex digits.  If it does, the motherboard and CPU are functioning to some degree.  If not, the motherboard is totally dead.

Let us know what you discover.
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nobusCommented:
i had that problem several times with Asus boards - each time i needed to install a compatible cpu , that boots with the bios version - then update the bios, then re-install the cpu
you find the supporte cpu for bios versions here :  https://www.asus.com/be-nl/Motherboards/ROG-MAXIMUS-X-HERO/HelpDesk_CPU/

another possible cause is that a mounting standoff can be shorting the board - so remove the board, and check that each standoff corresponds to a mounting hole
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David Johnson, CD, MVPOwnerCommented:
this board supports the Q-Code Led (like a POST Card)

There are numerous diagnostic LED's on the MB any of them stay lit up?
does the Q-Code LED cycle through?

You short or otherwise toggle the Power switch. What happens next? if nothing happens then check the power connections the 24 pin and the 8 Pin EATX connector.

does the cpu fan power on then off? does the usb keyboard lights flash?

http://dlcdnet.asus.com/pub/ASUS/mb/LGA1151/ROG_MAXIMUS_X_HERO_WI-FI_AC/E13646_ROG_MAXIMUS_X_HERO_WI-FI_AC_UM_V2_WEB.pdf?_ga=2.208157275.897426596.1524550424-659425107.1524550424
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John TsioumprisSoftware & Systems EngineerCommented:
Hopefully you have found a solution by now..but if you still have issues its time to test your RAM...test one stick at the time or even better get one from a friend.
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John TsioumprisSoftware & Systems EngineerCommented:
Solutions provided
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