Disk Error!

Hi,

I assume if the drive detected succesfully somehow does not receive the proper drive letter.
In the disk management tool try to assign drive letter manualy to the drive.
Please check this topic:
https://cymaticaudio.com/forum/utool/456-utool-not-detecting-removable-drive#1375

Or this one:
https://windows.microsoft.com/en-us/windows/change-add-remove-drive-letter#1TC=windows-7