Question about Toshiba Satellite A105 Notebook

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Toshiba satellite a105-s4004 power problem

My wife has a Toshiba Satellite A105-S4004. It will not power up. I have checked the power adapter and it does measure 15 V. The light around the power up button does not light up with or without either the battery or power adapter plugged in. When the battery is in and the power up button is pushed the small yellow battery light on the front of the computer blinks a few times but then nothing happens. Could it be the power jack or something else? How do I check the power jack? How do I get access to the power jack to check it? I need to know in a hurry.

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  • caddokid Jul 12, 2008

    Thanks for trying. I had it checked and it turned out that the power adapter was providng a fluctuating voltage under load and the motherboard was out.

  • ktznrbtz Jul 22, 2008

    Yes, I Have the same problem. I would like to know if the computer
    should work without the battery installed? The reason I ask it that I
    think it could be the battery that is the problem? When I remove the
    battery the unit won't power up either with or without the battery,
    that's why i am wondering if it is designed only to work only when the
    battery is installed? I am thinking that if it is the battery the unit
    should work without it in the computer? Any help and or advice would be
    much appreciated. Thanks in advance.




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It sint the power jack, but rather the Power control circuit. This circuit isnt repaired but replaced. I recommend taking this to an authorised service center or a certified technician of the latter is not easily avilable. If you choose to repair this at your own risk please remember doing so without the necessary knowledge will result in major damages.

Posted on Jul 11, 2008


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SOURCE: Toshiba Satellite A105-S4004 memory slot not

If this is a new module, make sure the specs are the same as the old module. If it is an old module then it is more likely the module has over-heated and died. Try swapping the modules with the different slots and make sure they are seated all the way in the slots. Afetr each time, check the ram in the BIOS settings to see if the BIOS sees the ram installed and not just the Windows system utility. That way we can figure out whether it is hardware or software. If the bios sees the ram and windows does not, then the hardware is fine and it is an operating system problem. If bios does not see the ram then it is hardware....either the stick is bad, the slot has failed or is disables, or it is not properly seated and is not getting good contact. Try cleaning the ram contacts with a Q-tip and alchohol, dry completely, then reseat.

Posted on Oct 29, 2009

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