Question about Acer Aspire 4720 Notebook

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My ACER Aspire 4720Z not powering On. All LED are not lighting even during charging.

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  • ad9uzman Jun 24, 2009

    Yes! I remove the battery and check if there is voltage coming out from the contact and I measured 12 volts.

  • ad9uzman Jun 24, 2009

    Thank you for reply, but I already open the case to check the power port terminal of power pcb and there is output voltage.

  • PolyrhythmFX
    PolyrhythmFX May 11, 2010

    Did you try removing the battery and only using your power adapter?

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  • 6 Answers

Most likely the charger is bad. If the charger is good, then the power port has to be replaced.

Posted on Jun 24, 2009

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1 Answer

Acer 4720Z not charging, port is not damaged neither pin


Check if the led indicator is on, when you connect your adapter to power outlet. It may simply be loose connection between the adapter and connecting cord.

If possible, borrow adapter of same make and model from someone (maybe a friend who owns the same laptop) to ensure, that the port is not damaged.

If the port is all good, I suggest you get your adapter replaced, as repairing it is not worth the hassle.

-Meet.

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the laptop might have taken a power surge on the small board that buffers the charge into the battery. Likeley this part will need to be replaced:

http://www.cdsparts.com/p-3-new-acer-aspire-4220-4220g-4320-4520-4520g-4720-dc-jack-power-board.aspx

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How do i turn on wireless on acer aspire 4720z ?


The far left button below the start button (middle, top) is the wireless button. It seems this button is finicky and the led doesn t always light. Open the control panel and access the Windows Mobility Center at the bottom. The wireless feature enable button will not be accessible if the wireless button is not activated. While on this screen press the far left button that has a dish network symbol and keep pressing it over and over until the button on the mobility center panel is enabled. This is the only clue you will have on whether the button is on or off.

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1 Answer

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Dear, Remove the battery and plug-in the power cable to the laptop and then start it. If it do start, then there is a problem with battery.
I m sure your laptop is under warranty. Please go to service center.

cheers

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