PC shuts off unexpectedly and without warning

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jerome00

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Oct 14, 2014
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I just built my PC in January this year, so all parts are relatively new. Specs

Recently (Past month or two), I have been getting unexpected power offs; sometimes when watching a video and surfing the net, other times when playing DOTA 2 on max settings. I never had this issue in the first 6 months, and after encountering this issue I have tried updating the BIOS to see if it helped (it didn't).
Previously, I used to get the ASUS anti-surge protection screen when the PC shut off, and upon reading recommendations to turn that feature off, did so. I also have my PC connected to a surge protector, not into the wall. Despite all this, it happened once again. I'm hoping it's not a PSU issue but from what I've gathered reading similar threads it seems to be the most likely. I would like some advice on what to do.

This is a screenshot of HWMon while running DOTA 2.
p3T3jPg.png


Any help would be greatly appreciated! Thanks in advance.
 
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jerome00

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Oct 14, 2014
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I just ran memtest with 3 passes and no errors. All settings are at default, nothing is overclocked. I'm not too sure what you mean by "remove the GPU and check for the problem", could you elaborate please?

 
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prit87

prit87

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Jun 16, 2014
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I mean remove the GPu and run your pc without if and see if you get the problems.
 
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westom

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Mar 30, 2009
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Executing Memtst or plugging into a surge protector is equivalent to checking the sink for a dripping faucet. In CSI is the expression, "Follow the evidence." Your evidence is quite clear. It is an Asus surge message. So Memtst, surge protector, and dripping faucet are equally related to that error message.

Message is about an entire power system; more than just a PSU. An intermittent message says the defect exists constantly. But its symptom only becomes worse intermittently. To say more means using a digital multimeter. CPUID uses a different voltmeter (hardware) that is not yet calibrated. And does not report on the entire power system.

Your have two choices. Keep replacing good parts until something works. Or get a meter, some instructions, and one minute of labor. Numbers from six wires will report without speculation or doubt. IOW no more "it could be" replies. No more replacing good parts by shotgunning.

Second, heat does not cause hardware damage. Heat is a diagnostic tool. Defective hardware that intermittently reports defects is first made less intermittent by running a computer at another ideal temperature - 100 degrees F. Even a hairdryer on high heat setting can be helpful. Once something is warm, does the meter (or error message) report that the defect exists more often? Use heat to make the defect more apparent. Use selective heating to locate a defect. Two ways to use the diagnostic tool called heat.

Error message says you have a solid defect. A defect with intermittent symptoms today. And that will probably get worse with age. Either replace good parts on wild speculation until something works. Or do what they say in CSI, "Follow the evidence." Then a defective part is known before replacing anything.

Finally, a word 'surge' can mean low voltage, high voltage, low current, or high current. An Asus 'surge' message has as much in common with a surge protector as it also has with a dripping faucet. Never use word association to reach a conclusion as another has done.
 
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