Question about Dell L375P00 (KH624) 375Watt Power Supply

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Most, if not all power supplies have a little switch at the back near where you plug the power cord into. It will say 110V right now, you can slide it to the 220v position. If you have already plugged the unit to the wall and tried to power up when it was in the 110v position it may be damaged, in which case you may need to buy a new one.
Regards, Chris

Posted on May 19, 2011

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If you had the voltage selector switch set to 110 and connected it to 220 volts, there's little to be done besides removing it and replacing it.

These devices are sensitive and will not tolerate 220 volts when set for 110 volts for even the shortest amount of time. You will likely be wasting your time / money if you attempt to fix it as several components could be damaged but only one may have visible damage. The others will have been "weakened" or compromised and probably not last as long as originally designed.

I have found a refurbished Dell L375P00 375Watt Power Supply available for under $67, and others still for more and less and new and used on eBay. These may be your best options for getting up and running again.

Good luck!

Posted on May 19, 2011


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