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Internal mic on thinkpad x201 (XP) has screeching feedback.

When the mic is turned mute (no way to totally disable), the result: nothing at all can be heard even though other features are not muted.

There is no separate setting for recording. Conexant controller is in- & out-audio.

How do I hear sound, stop the feedback & mute the mic all at once.

This problem just started today, after my cat walked across the keyboard.

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Post screenshots of your sound-volume settings (sndvol32); make sure to post shots of both the Playback and Recording sections (Options->*Properties*). It’s not clear exactly which parts you did, but turn microphone-boost off and set its record-level down and mute the mic’s playback setting. > This problem just started today, after my cat walked across the keyboard. Maybe your cat emitted a static-electrical charge that shorted the mic/audio-card. –  Synetech Aug 20 '12 at 0:39
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