changing voltage blew up Dell desktop PSU

Dell Dimension 9200 desktop
August 6, 2010 at 14:30:37
Specs: Windows 7
when my computer was plug into the mains, my wee one thought it would be a good idea to flick the volt selector to 110, and the psu blew up.
I reselected 220 and plugged it in and it gave out another bang, which i regret trying now.
I opened up the computer a got the psu out, opened the psu up and found melted plastic all over the inside of the psu and a black burn on the inside of the casing.
there is no obvious (visual) damaged to the rest of the computer.
can this be fixed?
I'm very thankful for any help i get.

Ian


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#1
August 6, 2010 at 14:49:57
Until you connect up a new working PSU you will not know if/how much other damage was done.

Unfortunately in most cases PC components fail without any external visible signs.

Goin' Fishin' (Some day)


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#2
August 6, 2010 at 14:55:04
why did u change voltages?

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#3
August 6, 2010 at 14:59:27
I didnt my son (wee one) thought he would do it for fun.

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#4
August 6, 2010 at 15:50:00
Hopefully you computer will still work, I had a computer that had the switch changed to 230 from 115. It fried the motherboard and Power Supply.

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#5
March 13, 2011 at 11:29:22
same thing happened with me mate, i hit delete while it was booting up, i read a forum somewhere that changing the cpu voltage would help overclock the cpu easier.
stupidly, i went through with this randoms statement. here i am, my pc boots up, fans go on, then shuts down 5 seconds later, not giving me enough time to change the voltage back to default, i also do not have a spare power cable that might with hold the voltage i set. what should i do?

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