Answer:
The answer to this question is "Unmount the device from the directory".
Explanation:
A mount is a process where a device is preparing to connect and the unmount process stands for disconnecting the device. When a user mounts a device to mount point directory that is normally known as an available directory where an external file is placed, but the user found that the file is already available in the device so, the user has only one option that "unmount the device from the directory".