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Need a power supply to replace a Dynex DX-PS400W

My electricity went out during a storm and when it came back on my computer would not power on. I tried another power outlet and power cord, but no luck. Nothing on the computer comes on. They don't make the Dynex DX-PS400W power supply any more and I need to know if I can use a Dynex DX-PS400WS power supply or a HP power supply P/N 5188-2859 with a 24 pin to 20 pin adapter motherboard plug to replace the one they don't make anymore. My motherboard has a 20 pin plug (ATX) and it's in a HP Pavillion a720n. Any help would be appreciated. Thanks

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  • jtjet Sep 15, 2008

    Can I use a 24 pin power supply with the 20 pin adapter?

  • jtjet Sep 15, 2008

    My additional four pins did not detach, so I covered them and slipped the 24 pin plug right down into the 20 pin socket on the motherboard with the four additional pins hanging out over the end of the socket. Up and running again. Thanks for your help.

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Any power supply with the same pins will do. Just choose a good brand and with same rating or better higher(400 watts or more).

Posted on Sep 15, 2008

  • Kirk Philipson Chan Sep 15, 2008

    Yes. Most 24 pin power supplies, you can actually take-off the additional four pins. That's what im using. My board is 20 pin so i took off the four pins.

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