1. Of course, first of all, we must ensure that our external devices, hardware devices, that is, our microphone itself is good, if it is caused by the failure of the microphone itself, then it needs to be re- Replace a microphone.
2. If it is not a microphone failure, let's click on the start menu in the win7 Ultimate computer and enter the control panel interface. After that, we will expand “Hardware and Sound & Rarr; Sound & Rarr; Audio equipment → recording & rarr; microphone & rarr; configuration & rarr; (left column), after the advanced voice options & rarr; speech recognition & rarr; advanced & rarr; use this audio input device & rarr; microphone & rdquo; complete the settings.
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