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Hi there, i have a fujitsu laptop n series. The battery will not charge, so I purchased a new one... same problem. With the ac adapter plug it will (most of the time) turn on, however as soon as I put the battery in the battery indicator lights are turn red. If I unplug the ac adapter the computer will stay on for a few minutes then loses charge. Thanks for your help

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  • Jennifer Mogan
    Jennifer Mogan Mar 25, 2011

    Hi,
    When I plug in the power adapter, the battery light flashes orange. I plugged in the power adapter & turned it on... There is a green power (I think) indicator light & two flashing battery lights flashing back and forth between each other, orange & red. There is another light (upright cylinder looking) green and sporadicly flashing.

    When I jiggle the cord the cylinder green light reacts by flashing more rapidly or diapering or stays solid.

    So, how difficult is it to dismantle my putter and figure out what's wrong?

    Thanks for helping me out,

  • Jennifer Mogan
    Jennifer Mogan Mar 25, 2011

    Hi Geekman,
    When I plug in the power adapter, the battery light flashes orange. I plugged in the power adapter & turned it on... There is a green power (I think) indicator light & two flashing battery lights flashing back and forth between each other, orange & red. There is another light (upright cylinder looking) green and sporadicly flashing.

    When I jiggle the cord the cylinder green light reacts by flashing more rapidly or diapering or stays solid.

    So, how difficult is it to dismantle my putter and figure out what's wrong?

    Thanks for helping me out,

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Whenyou connect the power adapter into the laptop, does the power LED light up? Ifnot then - The battery adapter or the adapter's power lead or the laptop's power socketcould be faulty. Check power adapter's DCplug that connects into the laptop power socket with a multi-meter, the voltageshould be slightly higher than the voltage that is printed on the label on thebottom of the adapter. If the voltage is zero or way below the voltage that isprinted on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK thenconnect it to the laptop and power it up, then look at the power/batterycharging LED light and wriggle the power plug in the laptop's powersocket. If the power/battery LED light flashes and in a certain position thisLED light stays firm, then the power socket is either faulty or it has a drysolder joint where it is connected to the motherboard. This can be repaired but itrequires the laptop to be completely dismantled to get at this power socket andrepair. If you cannot DIY then I suggest you get a quote first.

Posted on Mar 25, 2011

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