Question about HP Compaq Presario V2405us PC Notebook

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Laptop won't power on

My laptop worked great. I decided to upgrade the ram to a 2g. I went to my local Staples store and bought one and took it home and put it in my laptop. It wouldn't power on so I took it back to Staples and they gave me another brand which I returned cause it also wouldn't work. Put my own ram back in but my laptop still won't power on. I get nothing at all. Could this ram have fried my laptop? Or is there a fix for this.

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  • Anonymous Feb 13, 2009

    Its my sisters laptop and I don't think she removed the battery before she put the ram in. I have tried to remove battery and try just the AC but still nothing.The power cord works, she uses it on her other laptop. I double checked to make sure ram is in correctly and it is. I tried to hold power down still nothing. No lights at all even when AC plugged in. I just can't figure this one out. There is absolutley no power at all.

  • Wayne Mineard
    Wayne Mineard May 11, 2010

    The last thing I can suggest is to make sure no connections were loosened inside when you removed the cover and replaced the RAM.

    If everything looks secure, and if the AC adapter is the correct one, and you see or hear nothing, I can only surmise that you either have a fuse blown, if there is one, or the system board was damaged. Either way, it is something that you should let a knowledgable repair shop check out.

    The AC adapter IS the one specifically used for that computer, correct? I am assuming it DID work at one time. Just asking. Not all adapters are interchangable.

    Just keep this in mind in the future: Always remove ALL power sources when replacing ANY parts inside a computer. Even after removing the power sources, hold the power switch down to "bleed" all the capacitors inside.

    Sorry I could not be of more help.

  • Wayne Mineard
    Wayne Mineard May 11, 2010

    Did you remove all power, including the battery, when you replaced the RAM?

    Are you sure the RAM is snapped down into the clips?

    Will it not do anything with battery or AC power? No LED's? No fan?

    Hold the power button down for a few seconds and see what happens.



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Check the power light indicator if it work when turnig on the laptop. If doest work replace the power supply

Posted on Feb 12, 2009


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