After a try on Win10 I can't hear the voices of other ppl in channel

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Good morning, I have tryed Win 10 and, disgusted, I'll go back to Win7. When I connect to my guild channel the others can hear me but I can't hear their answers. I tryed to fix the things with the control panel of Win7 but I think to have messed up all... Please help me. I don't want to bring my... After a try on Win10 I can't hear the voices of other ppl in channel