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I have a vaio vgn tx790 and i was trying to change the screen, when i took the screen out and left the screen wire loose, the laptop light came on and off and since then it wont turnback on, no power at all

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  • maldeekmike Mar 09, 2008

    thx much, but i was trying to dismantle the laptop and it seems that it stock right in the middle although i unscrewed all screws, shouldnt get loose easy or what is there a clip in the middle, iam confused,,,thx a lot

  • j131 May 11, 2010

    MaldeeMike just wondering if you ever got this problem solved as I have EXACTLY the same problem. Thanks,

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  • Master
  • 520 Answers

You have had power in pc and wire have touched/connected to something they shoundnt of and shorted.
you could of looked at a service manual first which would of clearly stated remove power cable and battery first and ground to discharge any static.
if youre lucky you may get it to start.try startup with first only power cable(battery not connected) Then battery only connected.if not work power on circuit on motherboard blown,probably transistor easy to repair but not for the novice.

Posted on Mar 08, 2008

  • tat4u
    tat4u Mar 09, 2008

    cant say for the sony vaio never had to dismantle screen.If it was in front of me no doubt I could sort it ;as Ive never needed to use a service manual ever,but Ive been repairing laptops for years so have a lot of experience.

    It would really help you if u was to get a service manual then u could check the precedure for dismantle.

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