Question about Sony VAIO (PCWA-A200)

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Power managment the "AC PLUGGED IN" AND "RUNNING ON BATTERIES" WARNING BOX AT THE BOTTOM RIGHT HAND CORNER OF THE SCREEN, FLASHES BETWEEN ONE AND OTHER EVERY 2 SECONDS AND THE BRIGHTNESS OF THE SCREEN CHANGES BRIGHTER AND DARKER AS IT FLASHES MAKING IT IMPOSSIBLE TO USE THE COMPUTER. HELP PLEASE

Posted by blakey202 on

  • blakey202 Aug 28, 2007

    SONY VAIO MODEL PCG-581M

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1 Answer

Louie Role

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Hi, A Sony VAIO PCWA-A200 is an 802.11b Wireless Access Point Router. Your post "...AC PLUGGED IN AND RUNNING ON BATTERIES...." indicates a laptop issue. To be of better assistance, post the brand/model of your laptop.

Posted on Aug 27, 2007

  • Louie  Role
    Louie Role Aug 29, 2007

    Hi again,

    The "AC PLUGGED IN" AND "RUNNING ON BATTERIES".... indicate just that; your laptop is plugged in to the AC mains however, the batteries are not charging nor is the laptop using the power from the AC mains. This is indicative of a hardware problem in your power supply/charging system.

    In theory, once a laptop is plugged into the AC mains, the battery is being charged while the laptop uses power from the adapter.

    "...DARKER AS IT FLASHES..." Since you're running on battery which is presumably getting weaker, every time the warning flashes, the screen/display is getting lower and lower power hence the brightness growing darker.

    Since this is a hardware problem that requires opening the unit and doing electronics diagnosis, possibly soldering,it might be to your advantage to seek the services of a qualified professional. Should the unit be still under warranty, then perhaps you can bring it to a Sony Service Center with proof of purchase/ownership and warranty documents.

    Hope this be of help/idea. Post back should you need further information.

    Good luck and kind regards.

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