Question about HP Compaq Evo n610c Notebook

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Evo 610c won't turn on

My compaq evo 610c laptop worked great until a few weeks ago. One day I turned it off and it wouldn't turn back on. After an hour of pushing the power button, it finally turned back on. So I was thinking it was maybe an old CMOS battery or the ac adapter. I kept the computer on for four days without turning it off because I was afraid it wouldn't start again. I was right. I had turned it off to take it with me to do a presentation, when I went to turn it back on it wouldn't turn on. This time, I pushed the power button for three hours and nothing. No lights, no fan whirring, nothing. My father took it apart and checked the CMOS battery and the power adapter -- both a working fine and drawing the right amps. Someone else told me that it could be the motherboard or some other power thingy on the motherboard. Where do I go from here? I don't have a lot of money to spend and I don't have any spare parts laying around to swap in and out. Any help will be appreciated.

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  • rosei Oct 09, 2007

    That is a good suggestion, my Dad checked the battery and it seems to be holding a charge. We even switched the battery and power adapter with another computer and the good computer worked and the now bad computer still did nothing.

  • only1trinity Dec 11, 2007

    I left my laptop on while I took a n ap and when I woke up, it was off. I thought nothing at first....But, later when I tried to turn it on, it was totally dead. I thought maybe the outlet but, I tried another outlet and nothing. What can be the issues?

  • SgtMajNettie Jan 25, 2008

    I had the same problem. One day it turns on and the next day nothing. I checked the battery and the power adapter - both good to go. Had it check out and they could not find the problem because it turn on when they tried. I got it home - again nothing. This is a new computer and this should not happen. Please help.




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I had the exact same problem with my Evo N610c not powering on. The power adapter and CMOS battery checked out ok. Replacing the DC-DC Convertor board resolved this issue. The HP part # for this board is 291263-001 which you can find at various locations online for typically $10 - $20. Just Google on the part #.

Posted on Apr 15, 2012


Hi Mukhtar
                I had a similar problem like yours and the same laptop. I managed to find the solution. It was the DC-DC converter board in it. Cost me 10$ to fix it.



Posted on Oct 29, 2007

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See may be your battery is completly discharge everything is ok just charge it completly it will work

Posted on Oct 09, 2007

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