If you are one of the victims who can't access USB drive on Windows 10 due to USB malfunction, stay here. Searching on Google, you will find a large number of users are asking for help about how to access a USB flash drive and data in Windows 10. This issue frequently happened in Windows 8/7 and it has become increasingly severe in Windows 10. For example, the USB drive is missing or corrupted, the flash drive is infected by a virus or damaged due to certain reasons. Usually, when you insert your USB flash drive or a pen drive, it will be quickly detected by your PC and show up in File Explorer.īut sometimes, Windows cannot recognize nor open a USB device if something goes wrong. Overview of Cannot Open USB Flash Drive in Windows 10/11 Issue The provided methods also work to fix USB becomes unopenable, inaccessible, USB flash drive not showing, USB detected but not showing data, etc., errors on Windows 11/10/8/7. Fix inaccessible USB with I/O device errorĤ. Create a partition on an unallocated USBģ.

Initialize unknown USB in disk managementĢ.

Pen drive not opening