on my acer aspire one d250 i had the same problem. However the trick to decouple the input channels and put one down en one up worked only after applying the latest bios (upgrade from 1.06 to 1.26)
on my acer aspire one d250 i had the same problem. However the trick to decouple the input channels and put one down en one up worked only after applying the latest bios (upgrade from 1.06 to 1.26)