Pc won't boot after power outagge.

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4ntim4tter

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Jun 13, 2013
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When my power went out my pc was in high performance mode as I was gaming. After it went out I flipped the switch on my PSU and went to bed, the power came back a minute later but I just left it like that and went to sleep. Tommorrow when I woke up I couldn't turn the PC back on at all. No blinking lights no signal, psu not powering on, nothing. First i thought it was my motherboard and sent it for repairs but now they tell me its working. So now I'm thinking its the PSU but the thing is I tried the psu on a much weaker configuration (no disks or gpu just an old mobo and a cpu) and the board+cpu started and was working. So I guess my question is if it is possible for the PSU to lose on sthrength after a power outagge and could it be something else other than the mobo (CPU maybe)?
 
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G
If your power outage/surge is strong enough, yes it can take out your power supply. Your Thermaltake PSU has a 5yr manufacturer's warranty, so assuming you haven't had it for 5 years, at least you can get it replaced if you determine it to have failed (likely with power surges). It also does have a fault circuit that protects with over-current, over-voltage and short. So it would be unlikely that it took out other components. Easiest way without probing with a multimeter would be to find or borrow a lower watt power supply to test with. Depending on your system build, would probably be in the 400-500watt range.
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davidred15

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Dec 3, 2012
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If the PSU wasn't surged protected properly some of the regulator and capacitors components in the PSU might died. My advice is find your self a multi meter. Check each the connector voltage see if the 5v ATX connector is generating 5V and etc.

David
 
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4ntim4tter

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Jun 13, 2013
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10,510

So it is possible for a defective psu to boot a weaker configuration?

 
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Estix

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Apr 12, 2012
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Okay, on a more serious note; Yes, the PSU can die.

You can test it as davidred15 said. Alternatively, is there is any sort of "burnt" smell to it, it's probably burned itself out.

If it was the CPU, the motherboard would beep angrily when powered on, and the fans would still come on.
 
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4ntim4tter

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Jun 13, 2013
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Okay I'll do that and get back to you guys and no there was not burnt smell. But honestly I didn't check the moment the power went out. Is it a strong smell or a weak smell cause I checked the day after and didn't notice anything.

 
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Guest

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If your power outage/surge is strong enough, yes it can take out your power supply. Your Thermaltake PSU has a 5yr manufacturer's warranty, so assuming you haven't had it for 5 years, at least you can get it replaced if you determine it to have failed (likely with power surges). It also does have a fault circuit that protects with over-current, over-voltage and short. So it would be unlikely that it took out other components. Easiest way without probing with a multimeter would be to find or borrow a lower watt power supply to test with. Depending on your system build, would probably be in the 400-500watt range.
 
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Solution
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4ntim4tter

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Jun 13, 2013
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10,510
Sorry for the late update. Ive tested the psu with a multimeter and everything seems fine, but when i connect it to my system it still won't boot and i can hear a faint quick clicking sound coming from it. Anyone have any idea what it could be? Should i go for a new psu?
 
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