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AspireOne 722, cant use external mic: mic receive sound from output! [closed]

I own an Acer AspireOne722 AMD C-60 APU 2Gb RAM HD6290 Conexant CX20588 sound card. I use Ubuntu 12.04LTS Output is perfect: both speakers and headphones work fine. I have troubles with input: the ...
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1answer
2k views

Internal microphone does not work

I have an Acer Aspire One D250 with Ubuntu Netbook Edition 10.10. The internal microphone is not working. What can I do to fix this? Audio Device: N10/ICH 7 Family High Definition Audio Controller