How to fix "Unidentified Network" in Windows 7 Professional/Home/Ultimate

Unidentified Network is a problem caused the the Network Address of Network Adapter has been changed. This problem does not be solved even if the computer is formatted. The only one way to solve this problem is below...

1. Click "Start" menu and select "Control Panel"...

2. Select "Network and Sharing Center" from "Control Panel" window...

3. Select "Change adapter settings" from left pane of the window...

4. Right click on the "Local Area Connection" and select "Properties" from pop-up menu...

5. Click on "Configure" button...

6. Select "Advanced" tab and select "Network Address" from list box and enter the value "1234567890AB" and click "OK" button...

7. Close all windows and click "Start" menu and select "Run" from it...

8. Type "cmd" in the "Run" window...

9. Type "ipconfig /renew" in the command prompt...

10. Type "ipconfig /release" in the command prompt...

11. Now "Restart" your system and you will see that the problem is fixed.....