Why Is One Earbud Not Working? Common Causes and Easy Fixes Few things are more frustrating than putting on your wireless earbuds, pressing play, and realizing only one side is working. The music starts. The connection seems fine. But sound is coming from only one earbud. At first, many people assume devices are broken. The good news is that this is not always the case. In fact, one device not working is one of the most common problems wireless earbud users experience. Sometimes the solution takes less than a minute. Other times, the issue is caused by battery problems, dirt…