This article will show you how to unmount a network drive. This can be done on a computer running Windows and Mac OS X operating systems.
Steps
Method 1 of 2: On Windows

Step 1. Open the Start Menu

Click on the Windows logo in the lower left corner of the screen.

Step 2. Open an Explorer window

Click the folder-shaped icon at the bottom left of the Start menu.

Step 3. Click on This PC
It's a computer-shaped icon on the left side of the File Explorer window. You may have to scroll up or down to find it.

Step 4. Click on the Computer tab
You will find it in the upper left side of the File Explorer window. A toolbar appears at the top of the window.

Step 5. Click Network Drive ▼
It's under the Networking section of the toolbar. A menu will open.
Click on the bottom half of this icon, not the top half, otherwise a new Network Drive window will open

Step 6. Click Unmount Network Drive
It's near the bottom of the menu. A window will open with a list of all mapped network drives.

Step 7. Select a network drive
Click on the drive you want to disconnect.

Step 8. Click OK
This button is at the bottom of the window. The disk will be disconnected.
Method 2 of 2: On Mac OS X

Step 1. Open Finder
Click the blue face icon in the dock.

Step 2. Find the network drive
On the left side of the Finder window, find the name of the network drive you want to disconnect. It is usually found in the Sharing section.

Step 3. Select a disk
Click on the mapped network drive that you want to disconnect.

Step 4. Click Disable
It's in the main Finder window. The network drive will be disconnected.