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Laptop charger high pitch noise

post #1 of 6
Thread Starter 
My laptop charger is emitting a very quiet high pitch sound, I can only hear it when I hold the charger to my ear but I compared it with the girlfriends laptop charger which is silent.

It sounds like something is spinning at high speed, but is relatively quiet.

Is this something I should be concerned about?
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Molly Coddled v2
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post #2 of 6
Probably not. The charger is basically a miniature PSU, and it will come with all the same induction and capacitor whine that a full blown PSU will have. If you are worried, you could probably get your laptop manufacturer to replace it for you.
post #3 of 6
If its still under warranty you can send the charger in and they should replace it.
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post #4 of 6
Thread Starter 
Quote:
Originally Posted by Nick2253 View Post
Probably not. The charger is basically a miniature PSU, and it will come with all the same induction and capacitor whine that a full blown PSU will have. If you are worried, you could probably get your laptop manufacturer to replace it for you.
If it gets any louder ( so i can hear it without picking it up ) I might seek a replacement.

Thanks for the reply.
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post #5 of 6
Nope, completely normal.
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post #6 of 6
Have you seen the exploding laptop videos? I would run if I were you

it is just a "whiney" capacitor. It probably isn't going to last as long as it should, but I doubt it will cause any trouble...though when it pops it could fry your laptop. Though a silient one is probably just as likely to quit working.
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