External microphone is not working

I have a Dell N5010 with windows 7 home basic.Unable to use an exernal headset,the microphone is not working.
Internal mic is though working.I am having IDT HD sound drivers.
I tried to re-install the sound drivers but of no help.
Microphone is not muted anywhere.Even trying to test the microphone doesnt helps.
2 answers Last reply
More about external microphone working
  1. Does it plug in the sound jacks, or is it a USB headset?
    If it is a USB set, may be a conflict of the drivers. might need to disable the on-board audio to have this work.
    If it is a 3.5 mm jack, try to see if it works with a different microphone. It all could come down to a defective headset.
  2. Also,make sure the correct hardware is selected in the Sounds tab in Control Panel. you may have to switch the default audio input to that specific headset.
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