The latter is a pretty rare phenomenon, it is worth considering though. While it sounds too obvious, sometimes the issue can be attributed to a malfunctioning USB port or a USB cable that has been designed just for charging. In this tutorial, we are going to be guiding you through the process of figuring out why your Android device fails to connect to your computer. Thankfully though, there are multiple effective ways of dealing with it. Regardless of the operating system, Mac, Windows or Linux, computer not recognizing your Android smartphone or tablet is a pretty common issue.