LG G2 vs980 not recognized by ADB devices command (Win7 on virtualbox)

Question

I have been developing android mobile apps via eclipse in school for some time now, deploying the apps to virtual devices. However, I now want to deploy them to my LG G2 android

Answer 1

How to Setup ADB on Windows

Download the Android SDK package for Windows [android-sdk_r21.1-windows.zip]
Extract the zip files to your C:\ drive. Now you have a folder android-sdk-linux
Double click on SDK Manager to initiate the SDK manager. You shall perceive the following window.
Make sure everything is un-ticked. Now select Android SDK Platform-tools and install it.
During the next window, you will be prompted. Accept the license and click on Install.
When the installation is complete, close the window.
The SDK manager has now download the platform-tools successfully, which certainly includes our prior ADB.
The next step is to define the path where ADB is present.
Go to C:\android-sdk-windows\platform-tools and take note of this path.
Go to desktop, right click on Computer and select Properties.
On the left pane, click on Advanced System Settings and a new window shall open.
Select Environment Variables under Advanced tab.
Select Path variable and click edit.
Now add the path we noted in step #9 to the variable value and hit OK.
Confirm and apply all the changes.
To confirm that ADB has been configured properly, open CMD window and type in:

adb

You now have ADB successfully installed and configured on your Windows machine