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External Mic does not work on my Netbook but works fine elsewhere

\015 I connect a microphone to my netbook (Medion-Akoya-E1222) through the line-in connection but it does not work.(The mic works fine with other computers etc.) The netbook recognizes that it is connected. It has windows 7 installed. Funnily enough, when an mp3 player is connected through the same line-in the audio (plays through the netbook speakers and) gets recorded fine. Why is the external mic working on other equipment and not working on this netbook? How can I make it work? Thank you!\015

Answers :

All sources of line-in provide a signal with at least 250mv of amplitude. The average pc microphone (condenser type) generates at most 2mV and needs to be powered by the entry in ord.er to work. So it is physically impossible to make a mic work on a line-in connection unless the connector can be configured act like a mike entry - almost all modern ones can.
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