Dell Portable Backup Hard Drive - Manual (Page 8)

Setup 8
Disconnecting the Drive
CAUTION: You must close all open windows on the external hard drive
in order to disconnect it. To prevent data loss, close all computer
applications prior to disconnecting the external hard drive.
1 Click the Safely Remove Hardware icon in the system tray, near the
clock.
NOTE: The Safely Remove Hardware icon looks like a USB
connector with a green check mark on it.
2 A pop-up menu will appear listing the devices that can be removed
from the computer.
3 Click the external hard drive on the pop-up menu.
4 When you see a pop-up message saying that it's safe to remove the
hardware, you can unplug the device.