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motherboard power surge

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  • Motherboards
  • Computers
  • Power Surge
  • Components
Last response: in Components
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December 5, 2013 9:56:28 AM

I just built my computer. As soon as I have a couple programs going, the computer shuts off. When resetting, it says the motherboard detected a power surge. I've read that "Asus" boards are often sensitive to this, but it could be my PSU. I'm nervous moving forward on what to do.
Here's my setup:
ASUS M5A78L-M usb3
AMD FX 8320
Ballistix 8GB ddr3-1866 x2
Thermatake TR2 600watt
Radeon HD 6750

Any suggestions would be great. Thank you!

More about : motherboard power surge

a b V Motherboard
December 5, 2013 10:09:59 AM

Do you have a surge protector or ups between the wall outlet and the pc? I suggest you get one and try it. Most PSU can suppress line spikes but reviews of this unit indicate it may be more susceptible to line surges than some other PSU. It is a good PSU but you may need to add a good line surge suppressor. If you get a "strip" you can plug the monitor and other items into it also.
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December 5, 2013 11:03:46 AM

Dogsnake said:
Do you have a surge protector or ups between the wall outlet and the pc? I suggest you get one and try it. Most PSU can suppress line spikes but reviews of this unit indicate it may be more susceptible to line surges than some other PSU. It is a good PSU but you may need to add a good line surge suppressor. If you get a "strip" you can plug the monitor and other items into it also.


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December 5, 2013 11:07:00 AM

Dogsnake said:
Do you have a surge protector or ups between the wall outlet and the pc? I suggest you get one and try it. Most PSU can suppress line spikes but reviews of this unit indicate it may be more susceptible to line surges than some other PSU. It is a good PSU but you may need to add a good line surge suppressor. If you get a "strip" you can plug the monitor and other items into it also.


I am going through a surge protector.

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a b V Motherboard
December 5, 2013 2:40:13 PM

I would check all the connections to make sure they are all good and properly seated. If they are good you may have a faulty PSU and consider returning it for a replacement.
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December 7, 2013 8:50:21 PM

Dogsnake said:
I would check all the connections to make sure they are all good and properly seated. If they are good you may have a faulty PSU and consider returning it for a replacement.


I have checked all connections. They seem to be fine. I removed one of the RAM sticks and it still did the same thing. It runs for a bit, then shuts off.
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Best solution

a b V Motherboard
December 8, 2013 9:04:24 AM

There are only a few places for a power surge. At the wall and that is usually handled by the PSU and in your case the external surge suppressor; the PSU when it is failing can be loosing proper regulation on it's outputs; and the MB if the voltage regulation components on the MB are damaged. A very poorly regulated PSU could cause damage to the MB so it could have been a chained event. The easiest way to find out is to swap PSU. A PSU can be tested but requires equipment not usually found or used by most repair shops. The PSU must be tested under various loads to properly simulate it's behavior in a system. Just checking levels at the plugs will not do. It is doubtful you have a damaged MB as it works and seems to be protecting it's self. The other possibility is that there is a faulty sensor that thinks there is a problem (MB issue).
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