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Intermittent buzzing sound on Acer Aspire 5750

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MartiniGirl

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Posted January 18, 2013 at 6:05PM

Hi,

I have had my Acer Aspire 5750 for 11 months and pretty much since day 1 there has been an intermittent buzzing sound occur, on average, every 5 minutes. I would point out that the buzzing sound only occurs if you playing something that has sound, e.g. a CD, a YouTube clip, a video file. The majority of the time I am using the laptop for excel, word, web browsing and email and, as none of these things contain sound, the laptop works perfectly well with no issues. When I play something with sound, I will hear a short buzzing sound lasting approximately 2 seconds and then everything will continue as normal for another 5 minutes, approximately, until the next buzzing sound. The problem is not any better or worse than when I first got the laptop but I'm at a stage where I would like to play more music on my laptop but currently with this buzzing sound, it is too annoying to do so. If I am playing a video file then, at the point that the buzzing occurs, the picture will also stutter but then continue as normal once the buzzing sound has stopped.

Is there anyone out there who has experienced the same thing or knows how to get rid of this buzzing sound?

The technical details of my laptop are: Windows 7 Home Premium (Service Pack 1) Intel Core i5-2430M 2.4GHz Intel HD Graphics 3000 64 bit Operating System

If you need me to provide any further details, let me know.

Cheers

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rdave13

Likes # 1

Posted January 18, 2013 at 6:31PM

Try going to sound properties and check microphone is disabled. That might be causing interference if you have a webcam. Enable it again to use the webcam.

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rdave13

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Posted January 18, 2013 at 7:05PM

Right click the speaker icon in system tray and select Recording Devices.

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rdave13

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Posted January 18, 2013 at 7:07PM

By "system tray" I mean Notification area. Had a bad retro moment there :)

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rdave13

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Posted January 18, 2013 at 7:22PM

When you select recording devices you should see a small console with a list of microphone, line-in, stereo mix etc. No need to go in to properties. You should see one in the list, showing as default device. Some will show as not plugged in. If you have a microphone as default device then right click and select disable. Try the sound with it disabled. It's just the reverse to enable, again, no need to go to properties.

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rdave13

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Posted January 18, 2013 at 7:25PM

By the way, when you right click anywhere in that console you should tick Show Disabled Devices and Show Disconnected Devices.

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rdave13

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Posted January 18, 2013 at 7:36PM

It works immediately so that's not the problem. You may as well enable it again. Does it do the same when running on battery only?

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rdave13

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Posted January 18, 2013 at 9:03PM

woodchip , drive not running when playing YouTube. Think it's a fault with the laptop not the optical drive.

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rdave13

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Posted January 18, 2013 at 7:50PM

I've got a horrible thought that you get the buzzing interference when the fan kicks in? If you do then there's not much that can be done. It shouldn't be though. Does it happen using headphones?

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rdave13

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Posted January 18, 2013 at 8:02PM

I'm wondering if it could be Acer's power save program. It sounds as interference from within the laptop. Try control panel, power options and change to High Performance for now. If that doesn't help then I'm stumped.

If the same change back to the original power setting.

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rdave13

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Posted February 2, 2013 at 4:47PM

One last thing to try, right click the sound icon and select playback devices. Click on your speakers and click on properties. Check under the enhancements tab that nothing is selected. Under the advanced tab you can select the default format. The sample rate and frequency. Mine is set on 16bit 44100 Hz (CD Quality). I'm on Windows 8 but should be the same on 7. You can use the dropdown arrow to select other frequencies and test the speakers. I've only got three to choose from, radio, CD, DVD. All 16 bit and range from 32000 Hz to 48000 Hz. Test each one and try to listen for the buzzing noise. Worth a try.

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