Trying to disable internal microphone on Dell Studio 1555 laptop

I am trying to disable the internal microphone on my Dell Studio laptop 1555 but nothing seems to be working. Any help you can give me would be greatly appreciated!!! I've already tried disabling everything in the 'Recording' tab of my system's Sound options but the internal mic is still on somehow.

Help?
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More about trying disable internal microphone dell studio 1555 laptop
  1. device manager..
  2. And from there, what should I do? In the Device Manager, under 'Sound, video and game controllers', there are 2 items:

    - IDT High Definition Audio CODEC
    - Intel (R) High Definition Audio HDMI

    I don't believe that either one of these is the internal microphone, but what do I know?

    Any advice?
  3. 1

    Click the Windows "Start" menu then click "Control Panel."
    2

    Click the "Sound" icon then click the "Playback" tab.
    3

    Right-click "Speakers" and click "Properties." Click the "Levels" tab. Click the "Speaker" icon next to "Microphone" and click "Apply" to save the changes. Click "OK."
  4. I am trying to disable the internal microphone on my Dell Studio laptop 1555 but nothing seems to be working. Any help you can give me would be greatly appreciated!!! I've already tried disabling everything in the 'Recording' tab of my system's Sound options but the internal mic is still on somehow.

    it works perfecly. Thanks million. Milody
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