You can also get back the lost or unallocated space with the diskpart tool. in a new window, select the bad usb flash drive with the right mouse button. a list will appear on the right click on disk management. this is easy to do this way: right click on start. proceed to the distribution of free space on a flash drive.
fix unallocated usb disk with disk management.
plug the usb drive into another usb port: if the usb port is broken, you can never make the pc recognize your kingston drive so i advise you to change a usb port to connect. at this time, you should right click on the unallocated space and choose new simple volume to create a new partition on it. How to fix unallocated disk space usb flash sd memory card no usable free extent could be found. Restore Usb Flash Drive Capacity Format Unallocated Space How To Youtube
