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    Issue with adapter while im using ''save mode 60%''

    Discussion in 'Lenovo' started by JacoBee, Jan 11, 2014.

  1. JacoBee

    JacoBee Notebook Enthusiast

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    Hi i have u430 and everything is perfect BUT...
    When im charging my laptop its ok,when im running on battery its ok but when i have capped 60% thru lenovo energy managment and adapter is plugged in it makes little buzz sound...i dont know how to describe its nothing major but im curious what is that because i already read about it on forum(maybe here) but i cant find that post.
     
    JacoBee, Jan 11, 2014
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  2. JacoBee

    JacoBee Notebook Enthusiast

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    EDIT:
    i just notice that when i have 100% birgthness there is no sound...but when i put it little down i can hear it...
     
    JacoBee, Jan 11, 2014
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  3. JacoBee

    JacoBee Notebook Enthusiast

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    bump.......Also the sound is probably from left side of the notebook.
     
    JacoBee, Jan 12, 2014
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  4. Pobega

    Pobega Notebook Consultant

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    You might consider putting this in the Ideapad section rather than the Thinkpad section
     
    Pobega, Jan 12, 2014
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  5. TuuS

    TuuS Notebook Consultant

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    Sounds like it could be the inverter, not sure if this is a normal noise for this model or not, but if it's abnormal, I'd swap out the inverter.
     
    TuuS, Feb 1, 2014
    #5