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Light flashed by Psu

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  • Light
  • Systems
Last response: in Systems
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October 13, 2014 4:38:33 PM

So i built a PC for the first time and everything was working and then i touched the dust filter for the PSU and i touched it until it hit the case and a white flash flashed either near or in the PSU and then everything turned off and now i cant turn it back on. So i bought a new PSU and still not turning on, Is it a motherboard problem, do i have to get a new one?


Edit: None of the fans or lights will turn on except sometimes there will be an occasional main fan LED flash, also there is no POST or beeps. Could it be static damage?

More about : light flashed psu

October 13, 2014 4:59:32 PM

Flashes of light are not good in a computer....there is something that fried....do you see anything that looks burned (i.e. melted, black in color, smells like smoke, etc....)?
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October 13, 2014 5:20:54 PM

ronintexas said:
Flashes of light are not good in a computer....there is something that fried....do you see anything that looks burned (i.e. melted, black in color, smells like smoke, etc....)?


What are some signs that something could be fried and also what parts should i check? Thanks for answer btw
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October 13, 2014 5:28:47 PM

Parts that have a melted area on it, or there is blackened portion of the parts, or it could smell like smoke....anything that does not look normal. It could have been the PSU that blew up - and in doing that it could have sent a surge that damaged other components.
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October 13, 2014 5:46:46 PM

ronintexas said:
Parts that have a melted area on it, or there is blackened portion of the parts, or it could smell like smoke....anything that does not look normal. It could have been the PSU that blew up - and in doing that it could have sent a surge that damaged other components.

other component like motherboard, gpu, ram, and processor? And if any would they be unusable?
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Best solution

October 13, 2014 6:00:07 PM

Sometimes it is very apparent what happened as the damage is obvious - other times, the only way to determine what is bad it to replace the parts one at a time. The PSU is the most obvious to start with - next I would start with the mobo, then CPU, RAM, GPU, etc.....Theoretically, one or all of your components could be fried.
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October 13, 2014 6:01:44 PM

ronintexas said:
Sometimes it is very apparent what happened as the damage is obvious - other times, the only way to determine what is bad it to replace the parts one at a time. The PSU is the most obvious to start with - next I would start with the mobo, then CPU, RAM, GPU, etc.....Theoretically, one or all of your components could be fried.


ok i had that in the back of my head but i wanted to do some more research about it before i went ahead and bought replacements, thank you for your help :) 
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