The files in your Drive being intentionally or mistakenly hidden.There might be a connection problem in either your USB Drive or the port of your PC.The Data stored in USB Drive might have got corrupted due to Malware, bugs, or viruses.Reasons behind USB Drive showing empty but is full or vice-versa: Although the USB Drive can be trusted, for the most part, there are instances when it can fail to work, such as the instance mention above where a full USB Drive shows as empty. Part 1: Why Does USB Shows Empty But It Is Full?ĭoes your USB Drive show empty but is full? Or is your USB Drive empty but says full? Well, in both cases it can be a very minute and harmless error, or it can be a threat to entire data stored in your USB Drive. Part 2: How to Fix USB Shows Empty But It Is Full?.