Power supply surges detected during previous power on. ASUS Anti-Surge was triggered...

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AmishAce

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Jul 23, 2015
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Ok...so I know there are threads on this, but I wanted to share with you my setup.

I have an X99 Asus Z170-AR mobo and I am getting the following error message on startup:

"Power supply surges detected during previous power on.
ASUS Anti-Surge was triggered to protect system from unstable power supply unit!"

My computer build is like 2 months old. Here are my system specs:

- Intel Core i7-6700K 4.0GHz Quad-Core Processor
- Corsair H110i GTX 104.7 CFM Liquid CPU Cooler
- Asus Z170-AR ATX LGA1151 Motherboard
- G.Skill Ripjaws 4 Series 16GB (2 x 8GB) DDR4-3000 Memory
- Samsung 850 Pro Series 256GB 2.5" Solid State Drive
- Seagate 4TB 3.5" 5900RPM Hybrid Internal Hard Drive
- Zotac GeForce GTX 980 Ti 6GB AMP! Extreme Video Card (2-Way SLI) (Yes, I have 2 of them)
- EVGA SuperNOVA 1300 G2 1300W 80+ Gold Certified Fully-Modular ATX Power Supply
- LG WH16NS40 Blu-Ray/DVD/CD Writer
- Thermaltake Core V71 ATX Full Tower Case

I really don't think is the power supply, but I ordered a PSU tester which arrives tomorrow. It wasn't doing this problem when I had it on my desk, then I moved it to the floor on an elevated wooden bench, and plugged it into a different surge protector and started getting this error. I did buy a three prong tester to check the outlet, and that was OK (so house wiring is good).

I have read through anything I could find on this, and I do see that sometimes it is just the mobo being overly sensitive. Only other thing I could think of is that I also have the EVGA Blue sleeved power supply cables that I ordered separately, and that the mobo power cable wont "click" fully into the mobo. I plan to swap this out tonight and see if I get the error.

To top all this off, now I'm starting to get some CPU fan speed error. I didn't take a picture of this yet to describe exactly what it says. This is just frustrating me...all the problems appear to be on startup, PC seems to run fine otherwise (been playing Fallout 4 and it handled the Battlefront Beta very nicely).

I would appreciate any helpful input.

Thank you.
 
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thx1138v2

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Jun 18, 2011
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The first thing I would do is swap back to the previous surge protector. The one you switched to might be bad.

A three prong tester isn't going to tell you anything about surges. It will just tell you if it is an open, shorted, or continuously low or high voltage receptacle. Surges are transient by definition.

You might get surges from external sources, i.e. weather or heavy current on/off transients caused by other electrical devices on the same circuit like a refrigerator that has a compressor going bad or some other electrical appliance. Refrigerators are supposed to be on their own circuit are not always wired properly. Other appliances can do the same thing, particularly those with motors. That's typically indicated by dimming lights when the appliance turns on but if it's not on the same circuit as any lights that won't happen. You might plug a lamp into the same socket to check it. If the lamp dims momentarily at computer start up you already have too many devices attached to that circuit.
 
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AmishAce

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Jul 23, 2015
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Thanks for the information. I do have quite a few things plugged into the surge protector on that outlet, and now that I think about it, my PC wasn't doing this error before I plugged so many things into it.

I do have another surge protector (same brand) I haven't set up yet. I'll switch most everything to that one on a different outlet and see if this corrects the issue. My PC isn't on a continuous loop of notifying me of the surges though right? Like if it no longer surges, I shouldn't get this message? I hope I didn't screw up my mobo...I already updated it last night...problem still persisted.
 
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AmishAce

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Jul 23, 2015
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So here is my update:

I removed all power from the surge protector to the wall outlet except for my PC..."surge" still detected and says my PSU is unstable.

HOWEVER...got my PSU tester in from Thermaltake, and it said everything is all good (all blue LCD screens, no red or beeps).

I also noticed that this message only comes up after my computer has been off for long periods of time (longer than 1hr or so). Could there be some sort of static buildup since its elevated 3" off the floor on a wooden bench thing I have? I only wonder this because when it was up on my desk, I never got this issue (I moved it to the floor to actually get some desk space).

I'm out of ideas on what it could be...I'm about to just set the BIOS to bypass the "F1 screen on error", but I do actually want to know if an error is occurring. And again, this ONLY occurs on startup, my PC does not shut down mid game or regular usage (I've run Battlefront Beta, Metal Gear Solid V, and now Fallout 4 at maximum settings possible while maintain good FPS and no issues).


 
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AmishAce

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Jul 23, 2015
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Does anyone have any other suggestions? I've pretty much tried everything except moving my PC back up onto my desk...I just don't understand what it could be.
 
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shahzad198509

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Dec 13, 2012
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I had exact same problem, i replaced PSU power cord and my problem was solved.
 
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