Question about Acer Aspire 4520-5582 Notebook

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No sound devices on laptop

We have just bought an acer 5720 and somehow have managed to lose or delete the sound devices.according to book we should have realtek digital output and speakers.dont have a clue how this happened

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This is most likely a simple driver glitch. You can fix it by uninstalling the audio drivers from the device manager, then reboot. The machine will find the sound card and reinstall the drivers automatically. This should fix it, if not let me know.

Posted on Aug 28, 2008

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Posted on Jan 02, 2017

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Hello why the microphone on my aspire 57322 does not work


1. Check with the manufacturer if your model comes with an inbuilt microphone.
Specifications may vary according to sub model.

Uninstall the present sound drivers by following the steps mentioned below.

  1. Click Start vistastartbutton.jpg, type Device Manager in the Start Search box, and then press ENTER.
  2. In the Device Manager dialog box, expand Sound, video, and game controllers.
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http://gd.panam.acer.com/

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The fact that your internal mic works and then goes out, is more likelly a drivers problem.
I would run your device manager with all external devices disconnected and look for flags.
If you have a device problem, it will show up here.
Remove and flags and allow your operating system to reload drivers after a reboot.
If this has not fixed your problem, try to boot into safe mode and check your internal sound devices their. Sounds like a driver conflect.
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or call my office 0845 20 20 118 and I can get them sent to you

Sion .

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