PSU Dead?

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itsgcq

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Hi. Today, my computer auto shutdown due to overheating. So I decided to open the CPU and I used a gas duster (the one that sprays air) to clean my fan. I also wiped up some dust from the metal parts on the bottom of the CPU. Then I put my case back on and plugged the adapter to the PSU. Once the adapter went in fully, there was a spark and a loud noise. It smelled like the PSU is toasted. I tried plugging the adapter again and booting the computer, but it wouldn't turn on. It is not a problem with the outlet, my monitor is still on, just not the CPU. What can I do? :(
 
Joined
Oct 24, 2007
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The power supply unit is very easy to change. I don't know where you are from but they are very easy to get hold of too.

If you need help in swapping out the PSU then there are plenty of videos on the likes of You Tube. Pick one you can follow.
 

crjdriver

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Was the system pw ON when you were cleaning it?

Exactly what adapter did you unplug/plug; was this to a fan?

I would start with swapping in a quality pw supply. If you post your exact system specs; ie make and model of mb, what cpu, amount and speed of ram, what video card is installed, etc, then we can recommend a pw supply for you.
 

itsgcq

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Apr 17, 2010
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The PSU wasnt on when I was cleaning it. I unplugged everything.
I plugged the adapter to the PSU, it is right outside of the PSU.

I do not really know my system specs ;X

Its a 64 bit Windows XP.
I had a Nvidia GeForce 8800 GS on there.

Is there any chance the PSU got destroyed with the mobo?
 

crjdriver

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Unless you know what pw supply you are replacing, it is difficult to recommend a replacement. It is the same thing as asking for a water pump for a Ford; you might get the right one or you might not.

Yes, it is possible to fry the mb, ram, cpu or other parts when a pw supply fails.
FWIW I had a system brought to me a number of years ago for a no boot issue. When I attempted to pw ON the system, a capacitor in the pw supply exploded. This destroyed the mb, ram, cpu, hard disk, CD drive; the only usable parts were the keyboard and mouse.
 

itsgcq

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Apr 17, 2010
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So do you think it'd be worth it getting a new computer or just bring it to the repair shop and replace the parts that need to be replaced? My computer is 2 years old btw. The monitor is fine. On the power supply, it says something about Select the right voltage. I think I saw 220w.
 

crjdriver

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Unless you are comfortable working inside the case, then your only options are to either take it to a shop or buy a new one.

As to what to do, IMO it would depend on the quality of your current system. If it is something like an e-machine, they are not worth putting any money into. If it is a high end dell, then it might be worth investing some money into.
 

itsgcq

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It's a Window XP SP2 running on a Intel Pentium Dual Core processor. The graphics card is a Nvidia GeForce 8800 GS. Is it worth getting a new computer or just replacing parts?
 

crjdriver

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If that is a pentium D, then no it is not worth putting any money into.
 

itsgcq

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Apr 17, 2010
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I had my power supply replaced and it works now. Turns out there was a little bit of water that went into the PSU. Thanks by the way :)
 
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