This article describes how to use the Disk Management Administrative tool to assign a drive designation to a USB memory stick when the device cannot be accessed in Windows Explorer.
Assign Drive Designation to USB Memory Stick
If you are unable to access a USB flash drive in Windows Explorer, it may be because the device has not been assigned a drive designation. The following steps tell how to use Disk Management to assign a drive letter to the device and make it accessible:
Bruce Miller 2010, 2014
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