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pzipfel
What's DOS?
Posts: 4
Registered: ‎06-29-2012
Location: Pennsylvania
Views: 608
Message 1 of 6

Power brick for W520 buzzing while in use

Hello all,

 

So I'm using a Lenovo W520 bought in the states while studying in Berlin. I just arrived, and even though my power converter/adapter handles the change from 230 (or is berlin 220...) to 110, and the brick says it works with 100-240, my power cable brick is buzzing. It's not heating up any more than usual, and the only side effect is the buzzing, but it makes me a little concerned.

 

There doesn't seem to be any mention of buzzing, and most things I've found tend to show that things are ok with lenovo laptops if you use a converter, but I just want to make sure. Any help would be greatly appreciated.

 

Thanks.

Guru
Posts: 1,773
Registered: ‎04-20-2008
Location: US
Views: 601
Message 2 of 6

Re: Power brick for W520 buzzing while in use

Plug the PSU directly into the wall socket (get the adapter plug for Germany). The buzzing is happening because your 220/110 convertor that is not producing sine wave power.


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Guru
Posts: 9,598
Registered: ‎12-26-2009
Location: CA
Views: 583
Message 3 of 6

Re: Power brick for W520 buzzing while in use

Is it a loud buzzing or a quiet buzzing?

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pzipfel
What's DOS?
Posts: 4
Registered: ‎06-29-2012
Location: Pennsylvania
Views: 582
Message 4 of 6

Re: Power brick for W520 buzzing while in use

That sounds like a good idea... now if I can find an adapter that is not a converter with my limited German... that will be a miracle.

 

Until then, do you think its an issue to use the converter I have inspite of the buzzing sine wave?

pzipfel
What's DOS?
Posts: 4
Registered: ‎06-29-2012
Location: Pennsylvania
Views: 577
Message 5 of 6

Re: Power brick for W520 buzzing while in use

Sorry, didn't see this before I posted. It is not exactly loud... its like a large fly constantly buzzing around my feet. Its useable as far as noise goes, but this laptop has to get me through graduate school, so I don't want to damage it obviously.

pzipfel
What's DOS?
Posts: 4
Registered: ‎06-29-2012
Location: Pennsylvania
Views: 531
Message 6 of 6

Re: Power brick for W520 buzzing while in use

So, the first response was the correct response. I just used an adapter for the outlet and did not convert the power, and it worked fine. Thanks for the suggestion.

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