Power surge problem

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Yazanko90

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Aug 25, 2015
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I was playing euro truck simulation 2 ultra setting for 10 to 15 minetes suddenly my pc restart and it say power supply surge ...... then yestarday i play gta 5 in high setting like 10 minetes it is happened agine
My spec:
Asus h97 pro gamer
Evga gtx 750 ti superclocked
Intel core i3-4170
8 gb ram
Corsair rm 650 gold
I need to know how to fix it ?
 
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I would start by substituting a power supply known to be good. Note if the trouble stays or goes away. Often, electrolytic capacitors dry out as they age and become problematic. In a worse case situation, they are of poor quality and will split open along the score marks at the top and leak. Search "Capacitor Plague" for explanations and photos. Power supplies are difficult to repair as parts are tightly packed with poor access. Usually the best option is to buy a new quality PSU as a replacement.
 
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If the problem happens when the processing load changes (i.e. from low/medium load to high load or from high load to low/medium load) on the GPU and/or CPU then the PSU has poor transient response and will trigger ASUS Anti-Surge when one or more of the PSU's rails goes out of spec.

The Corsair RM650's +3.3V rail is known to drop below the minimum +3.14V allowed by the ATX12V Power Supply Design Guide specs during transient load testing.

You can disable ASUS Anti-Surge notification in the motherboard's BIOS to disable the warning. It only ignores an existing problem. It doesn't fix it.
 
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When i open mb bios i see voltage
+12v : 10.742v TO 11.232v
+5v: 5.040v
+3.3v: 3.264 v
Is it normal and when i in the bios its restart agine when i was checking the voltage
 
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+12V rail needs to stay between +11.40 and +12.60 volts
+5V rail needs to stay between +4.75 and +5.25 volts
+3.3V rail needs to stay between +3.14 and +3.47 volts

Any voltage value outside of these ranges is considered out of spec.

So it's quite obvious that your PSU's +12V rail is out of spec.
 
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How can the power supply be good when it doesn't keep its +12V rail between +11.40 and +12.60 volts?

The RM650 even has a higher failure rate than the CX600M. The CS650 has a much lower failure rate than the RM650.
 
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Switching power supplies are notorious for using many electrolytic capacitors to help smooth out complex waveforms in the process of coverting AC (alternating current) to direct current (like that from a battery) to provide 5 volts DC for the computer electronics and 12 volts DC to run various devices having motors.

I would pull the power supply and open to take a look inside. Inspect all electrolytic capacitors to see if any are misshaped or split along the score marks at the top and leaking. Alternately, you can borrow or swap a power supply from another computer as a test to see if the trouble stays or goes.

If you are not familiar with electronic parts, you can take a look at some good capacitor photos that have leaked or exploded at the great capacitor plague. https://www.google.com/search?q=capacitor+plague&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjcs7DPst_LAhVEvoMKHQSJD6EQsAQILg&biw=1029&bih=885

There are score marks at the tops of capacitors to provide a weak spot for venting. If the capacitor becomes defective or overheats, the tops will begin to swell and/or open venting the rust colored material. Replacing defective power supply capacitors is very tedious and not for the faint of heart. In most cases, it's time to buy a new unit as electrolytic capacitors have a relatively short life span.




 
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