If the USB cable is out of service, replace it with a good one so as to ensure the successful usage. If you have inserted more than one USB drive simultaneously into your computer, which could lead to overloading and affect the normal work of USB drives, please safely eject others to leave just one connected. If not, you can try the below 6 solutions to fixing USB showing no media or 0 bytes in Windows 10/8/7. If lucky enough, the 0 byte USB might be back to normal. Before proceeding, it is better to reinstall this USB: connect it to computer, right-click “My Computer” ->'Manage' ->'Device Manager'-> 'Manage'-> 'USB Controller' ->'USB Mass Storage' ->'Uninstalled', and then remove the USB and re-insert it into the USB port on the computer. How to fix “USB flash drive showing 0 bytes” in Windows PC?Īfter figuring out what leads to this issue, now we focus on how to fix it effectively via the following solutions. ►The USB partition file system becomes RAW and cannot be recognized by Windows OS.

►Connecting several USB flash drives to the computer at one time or connecting via a bad USB cable. ►There are some files which are set as hidden due to some unknown reasons. ►A sudden or unexpected power failure occurs when the disk is writing data. ►The USB drive is infected by some virus, or the MBR gets damaged greatly. ►Any partition on this hard drive gets corrupted.

►Remove the USB flash drive in an improper way or during the process of transferring data. In order to fix such issues, we should first figure out why that happens. Many customers may encounter this problem, and it will make things much worse if users have stored a large number of private or important files onto the drive. That drives me crazy! What can I do to solve it? Thanks in advance. And i found the USB thumb drive flash drive shows 0 bytes in used, free and capacity space.

Yesterday I connected my USB flash drive to the computer and tried to open it in the Windows Explorer, and it failed every time along with a message which says ‘ You need to format it before use it’, but I cannot format it since all important files are inside.

System volume information pendrive