Acer aspire 4736z mic is not working properly while chat

ernikesh Posts 2 Registration date Sunday July 14, 2013 Status Member Last seen July 14, 2013 - Jul 14, 2013 at 07:41 AM

I have Acer aspire 4736z . My laptop in build mic is not working properly with skype or another chat .
its works when i speak closer of mic and also i can chat with headphone...

what kind of this problem should be .. Please suggest me how to fix this issue ..