After connecting a device external data storage at Mac, HDD extern, USB stick, SDCARD or another type, many users do not know that before they are physically disconnected, it must first be removed from the system.
"Eject"Or"Unmount"There are options valid both on Mac and Windows, again Correct disconnection of an external data storage device, it is made with one of these two options.
Why is it important to give "eject" to an external data support, before disconnecting it physically from Mac or Windows PC?
Most of the time, when we connect an external HDD to your PC or Mac, we do it for data transfer or to access to access the files stored on the external unit. When we open pictures, documents, applications or other files on the external device, several processes of the operating system and the applications in which the files open. Even if they are in background and we do not see the processes, they appear as soon as the device is connected. On Windows, for example, the first software that interacts with the device is the driver, then the antivirus. About the same thing happens on Mac.
These processes do reading and writing operations on the external device, and Sudden physical disconnection its can affect stored data or even worse, makes it inaccessible to the next login.
The correct disconnection with "eject" before physical disconnection will close these processes, and the stored data will be safe.
However, there are also cases in which with "eject" you cannot disconnect the external device. Sign that there are processes of applications that are still interacting with the device.
"The disk “LaCie” wasn’t ejected because one or more programs may be using it. You can try to eject the disk again or click Force Eject to eject it immediately. "
In this scenario, we do not recommend using "Force Eject". Forced ejecting of the disk can create problems on the disk itself or data stored on it." Force Eject "will Suddenly closes the processes who interacts with him, Without them finishing their operations launched on the external device. Recorded is to try again (Try Again) or give up (Cancel) and read the tutorial.
(Ignore the fact that in the first Screen Shot I had a "LaCie" HDD and in the next "Toshiba" 😊 )
How is the correct disconnection of an external HDD, USB stick or other external data support, if "eject" can't do this?
In the scenario in which the "eject" option cannot disconnect the external data support, it is best to close all the applications that run on the system and disconnect from the user (log out user ...). Do this from the Apple menu, at the Utema Option ”Log Out Username…". After the disabling is done, it will authenticate again and repeat the ejection operation.
If this time the message in the image above appears, closed by all the Mac (shut down) then physically disconnect the external unit.
In this way you will protect both the integrity of the external unit and the stored data.
