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High pitch feed back

I get a very loud high pitched feedback from my Sony Vaio Laptop, not immediately after I power it on, but when it begins to start up.

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  • Anonymous Dec 16, 2008

    same problem to a tee!!!

  • stevenfranke Dec 16, 2008

    same problem......exactly the same......

  • Anonymous Jan 07, 2009

    same problem, drives me crazy, sometimes I can stop the noise by positioning the laptop differently...am going to have it looked at and will post any solutions

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To solve this issue i suggest to Upgrade the BIOS on your notebook.....

Posted on Jul 23, 2009

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I can only think of tree possibilities:


1. Feedback created by a dry join on a circuit board
2. Feedback from a cooling fan that has malfunctioned
3. Feedback from a microphone that has malfunctioned

I would try disabling or fiddling with the settings on the microphone first, if that's the problem, I recommend you disable it and if you use a microphone regularly, the external alternative is quite a cheap way of replacing it, if its a cooling fan, and you have the knowledge to disassemble the laptop, try disconnecting it for a short time, if the feedback stops when you disconnect the fan, you need only replace the fan, if these two methods don't solve the problem, I would recommend you have a professional look at it for you, dry joins are quite hard to find and require special equipment to fix, and if that's not the issue, the professional should be able to find the problem anyway.

Good luck

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