Question about Sony VAIO VGN-FJ270/B Notebook

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Laptop Charge troubleshoot

I am having a Sony Vaio VGN NS20Z_S. When i plug in my lap for charging, it goes up to 80% and after that it shows "plugged in but not charging". IS this any kind of system settings or any prob with the battery???

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  • Sony Master
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Hi there
Basically the battery was not fully discharged when it was brand new and now the battery thinks its fully charged at 80%.
In some laptops a cell may have failed but usually causes the battery not to charge at all.
Fully discharge the battery and see if it will resume a full charge, if not your stuck with it like that.

Good luck and thanks for using Fixya!!

Posted on Feb 13, 2009

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  • Master
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You might have erased the Cells memory to be able to charge it to full capacity... this happens when it is constantly plugged into power source and has battery in as well.... even though you're using AC power, the battery drains and eventually it's cell memory thinks that 80% is full....

Try doing a bios update ... if it's not the battery itself, a bios update might have a correction for it...

Posted on Feb 13, 2009

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  • Master
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This can be due to a dead cell in the battery pack,Could also be the charger is going bad or shutting off prematurely.

Please rate this a fixya

Posted on Feb 13, 2009

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