Question about HP Pavilion a705w PC Desktop

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Hp media center pc M470n won't turn on after electricity went off. No lights No sounds. I used surge protector. LED on back of the pc is not on. Any ideas?

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To start with some try to change the CMOS battery that is inside the PC and is look like a dime.

Post back!

Posted on Oct 25, 2010

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  • SOLUTION 1 If the HP All-in-One is turned off, press the On button to turn the unit on.
  • Unplug the power cord from the back of the HP All-in-One.
  • Wait 15 seconds.
  • Plug the power cord back into the HP All-in-One.
  • Turn on the HP All-in-One by pressing the On button.SOLUTION 2: Reset the power module and test the power Step one: Reset the power moduleThe power module has a safety feature inside that protects the product during a power surge. If you experienced a recent power surge, the power module might need to be reset. Use the following steps to reset the power module.
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    3. If the product uses a power module with a detachable power cord, disconnect the cord from the power module.
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    Computer power won't turn on


    First thing to do is try to plug the pc in another wall socket to see if it goes on, If not, the MB could have gotten fried, even though the other plugs seem to work. Hopfully you just need another surge protector as that could have gotten damaged.

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    Power outage, now pc will not power up at all.


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