If any of them work, you have a bad USB port. If one computer can read the USB thumb drive, but another cannot, try the suggestions below. If it works, you know that the thumb drive is functional, and that the issue is related to a bad hardware or outdated drivers.
USB port issuesĪ good initial step is to try the thumb drive on a different computer.
See: How to update a Microsoft Windows computer. Many software issues can be fixed by keeping Microsoft Windows up-to-date.
