Good news at last. I posted the problem on an Audacity forum and today someone suggested that I download Linein but when I checked it out, it was for OS 10.7 and higher. Another response said to download the previous version and provided me where to download. I did and I now have sound!!! I would like to sincerely thank you for all the searching and time you have taken. So now we know. jaybass


OS 13.6.6 iMac (Retina 5K, 27", 2017, 3.4 GHz Intel Core i5, 24 GB RAM, 2400 MHz DDR4. SuperDuper. 1 TB Lacie HD