Asus motherboard voltage protection

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Darky589

Commendable
May 8, 2016
4
0
1,510
Hello :)
I have an annoying problem.
I have a kinda new pc (built it this summer).
Now sometimes when i play games (and it only happens when i play games), my pc suddenly shut down. And when i restart, i get a message on the bios saying it shuts down because of the Asus voltage protection.

The thing is, as you can see here:
https://1drv.ms/i/s!Ao4zyaLrqnoIgbsyGpyEP9y2YC2OXA

the voltages seems really ok. Now when i play, the 12V goes under 12, like 11.9, what should also be ok. But sometimes (less than one time per month), it goes lower, and then the pc shuts down. And this is not normal anymore.

So i wonder, should i replace one power cable? I don't think the motherboard or psu are defect, since they are "new", and everything is more than ok 99.9% of time.

What do you think about it?

I have:
Corsair HX850i
MSI GTX970 4G
Asus ROG STRIX X99 Gaming
intel i7-6800K

Thanks a lot for your help :)
Have a nice day
 
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Guest

Guest
The electricity coming into your house is likely the problem. Most voltage spikes come from the outlet you plug into, not the psu. You could try using a surge protector to minimize the voltage transiency.
 
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D

Darky589

Commendable
May 8, 2016
4
0
1,510
Thx for your answer :)

Well i'm not that sure it is the electricity coming to my house.

I'm saying that because i've installed corsair link, and there i see the 12v is really constant. (12.2V)
https://1drv.ms/i/s!Ao4zyaLrqnoIgbsz-MJTzHi7lCdlqg

At the same time, in the Asus suite, it was moving from 11.7 to 12. So i presume there is lost between the psu and the motherboard, no? (as i see things, the corsair link meters at the psu, and asus suite at the mobo)

PS: Do you know a good surge protector? I know most are doing at least oversurge protection, but here it is more undersurge, not sure if they all do that? Thx again :)
 
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Guest

Guest


I am not willing to recommend a surge protector (brand or model), because I don't want to be biased. It needs to have a MOV (varistor). There are excellent expensive solution, but also cheap ones that CAN work. It depends on the quality of the current going into your house (assuming that is the problem).

I doubt it's a surge, most likely a spike (meaning it lasts less than 3 millisecond. A MOV works both ways (under and over).

Asus usually has very good components. Perhaps try to debug other things also. But since all your components seem top notch, I would tend to question the power going into your house.
 
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