Two Motherboard Failures

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AaronN95

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Oct 20, 2018
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New computer builder here.

Built a desktop following closely with Carey's Fall 2016 Gaming Computer Build video (great walkthrough by the way).

Specs:
ASUS Z-170A
Intel i5-6600k
Corsair 8gb DDR4 2666mhz
Corsair CX750 PSU
EVGA Geforce GTX 960
Cooler Master Hyper 212 Evo

Worked fantastic for a year almost exactly. Then one evening the computer restarted. Rebooted. Then died. The mobo power led stayed lit but would not turn on. No fans. No post. No anything.

I assumed power supply. Bought an EVGA 500W to troubleshoot. No change.

After checking each component, removing all peripherals, and just trying to get a boot I finally sent the mobo back on RMA. They swapped it. I installed the new one. Used the Corsair 750 power supply. Heard a pop on power up. And now same result. No boot.

Did I make a fatal mistake using the original PSU. Or could some other component be frying this mobo?

Extremely frustrating.
 

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Allan
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15,080
Did you get the exact same motherboard with the swap ? Have you tried the EVGA PSU with the new board ?
 

AaronN95

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Oct 20, 2018
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Did you get the exact same motherboard with the swap ? Have you tried the EVGA PSU with the new board ?
Same board. I did afterward. Common sense says I should have attempted to use it first. Unfortunately I didn't.
 

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Allan
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Try removing the Graphics card and connecting the monitor to the motherboard graphics connector.
 

AaronN95

Thread Starter
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Oct 20, 2018
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Just attempted. No post. Seems second mobo is definitely toast. Oddly still shows green power led.
 

AaronN95

Thread Starter
Joined
Oct 20, 2018
Messages
7
That's my goal.

I'll do another inital start outside of the case with the secondary evga PSU I have, using the onboard graphics. And troubleshoot from there.

I'm thinking it's either the PSU, bad case standoffs causing a short circuit, or the GPU.
 

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Allan
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Sounds like a good plan.

You should confirm the standoffs are all in the correct places first, before putting a motherboard into the case.
 
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