A USB flash drive, pen drive, or hard drive is basically a portable storage device. This device is convenient for people to carry their data anywhere they go and use it with various devices. Sometimes, this frequent use of the USB can cause issues, like lead the USB drive to go corrupt.

The good news is that over 90% USB users can usually fix these USB issues by themselves. If your USB has an issue, the issue has to be one of the following for it to be self-treatable:

Connect a USB flash drive to Windows 10/8.1/8/7 but the drive won't show up in File Explorer
Windows detects the USB flash drive but it won’t open saying the drive is not accessible.
Windows asks you to format the removable disk before you can use it when double-clicking on the drive.
Other unfamiliar errors like RAW, no media, etc.
Basically, there are deferent ways to fix when there's an issue with your USB drive.