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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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1 Answer

When I power on my Acer Aspire 7750 laptop a very high pitch sound immediately starts & I have to power it back down immediately?


sounds like that can be made by the cooling fan of the processor or the spindle of hard drive, if either are not fixed quickly, then computer may go to NO BOOT, i recommend calling a technician right away

For any further assistance, call 1-877-805-1027 TOLL FREE.

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this sounds like the microphone is picking up feedback, if you are not using the mic then go to control panel then sound and disable the microphone

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In Windows 7 ,Try the Power Options in Control Panel. Set to High Performance, select Change Plan settings, set Sleep to never, select Advanced Power settings, scroll through the Advanced Power settings, set Sleep and Hibernate to Never and Power Buttons and Lid to Shut down. Always shut down and unplug the Laptop when not in use to prevent damage due to a power surge and a possible Fire hazard IF the battery malfunctions. Not to mention unnecessary wear on the components.

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Loud high pitch feedback when audio plays


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

Mar 13, 2013 | Acer Computers & Internet

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Some keys not working, makes a high pitch noise when switched on


The high pitch sound may be the power supply adapter, unplug let it run on battery, if sound goes away change the power supply, the laptop keyboard will need to be replaced, go to www.ebay.com Type make and model of laptop, refine search to keyboard and power supply if needed.

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My laptop makes a high pitched noise


The high pitched noise you hear is most likely caused by the CPU cooling fan on your laptop. If you suspect that this high pitched sound is caused by the fan going out, you can spray your laptop with compressed air to get the dust off of the fan.
This solution will make your laptop work at a cooler temperature, and reduce the noise.

If the problem persists, seek a certified laptop repair specialist.

May 22, 2011 | Computers & Internet

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My Acer Aspire 5100 laptop makes a loud high pitched consistent noise when I try to turn it on. then the noise stops, then a black screen comes up with writing, but when i hit resume, the computer restarts...


The problem might be the power supply charger that plugs into the laptop, unplug the charger and run the laptop on battery power, is the high pitch sound there when you power up? if this solves the problem, it is the power supply charger that is the cause.

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My screen is making a high pitch whistle. it is a sony vaio pcg-z1xsp.


If the high pitch sound comes from the bottom of the screen, then most likely the inverter is faulty.
you can get inverters from this WEB site.
www.lcdparts.net

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1 Answer

Laptop gives off a high pitched screech ONLY upon start ups


Assure there a no disks in your CD/DVD drive

Make sure there is nothing blocking the fan

Feel the base of you laptop and assure it is cool

Do not block off air flow

Event Viewer: Click the Start button . In the Search box, type Event Viewer, and then, in the list of results, double-click Event Viewer.

Go to the Sytem Tab - Look for any errors that seem noteworthy


Post your results

Jan 07, 2009 | Sony VAIO VGN-NS110E/L Notebook PC

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