disconected pen driver without eject it

[lincolnns]

My friend disconected his pen driver without eject it before. Now we couldnt find the pen driver letter to access the files in it. There are any way to restore it?

 

[Phillip Corcoran]

It may just need a drive letter manually adding to it in Disk Management:
http://windows.microsoft.com/en-gb/windows/change-add-remove-drive-letter#1TC=windows-7