|The automatic driver install process for Windows 7 might automatically install a Microsoft Windows version of the Arduino Mega driver. This is not the driver LANforge expects. These instructions will guide you how through uninstalling an old driver and installing the new driver.|
You want to install the windows version of the LANforge Server beforehand.
For more information see Installing LANforge Server on Windows
This process requires you to operate the Control Panel as Administrator. Some patch-levels of Windows 7 have secured this. A useful work around for this will be discussed shortly.
Getting to the Device Manager
Start by clicking the Start Menu and typing control
Select Hardware and Sound
Select Device Manager
In the Device Manager window, right-click on the computer and select Scan for hardware changes
There will be an Other devices→Unkown Device entry. Right-click on it. If the options menu only gives you Scan for hardware changes or Properties, you might need to restart your control panel as Administrator, that is discussed next.
If you have recently removed a driver, you might need to reboot your Windows system for it to complete the driver installation process.
Using the Run as Administrator option to start the Control Panel in administrator mode.
This works best with a CMD window pinned to the task bar. You can do that using Start Menu→ cmd
Then right-click→ Run as Administrator on the cmd taskbar icon
Repeat your navigation steps to get to the Device Manager
If you find a previously installed driver, uninstall it. Especially if this is labeled Windows Arduino Mega
Right-click → Uninstall
Select Delete the driver software for this device, and click OK
Right-click on the computer, and select Scan for Hardware Changes
You might need to un-plug and plug-in your Attenuator.
If the right-click options menu does not allow you to change drivers, reboot your system.
Depending on your version of Windows, you might not find the driver file using the Browse my computer choice, you might find it using the Automatically Search choice.
In Device Manager, you want right-click on the Unknown Device and select Update Driver Software...
Click on Let me pick from a list of device drivers on my computer
You see a list of drives. Click the Have Disk button:
Enter C:\Program Files (x86)\LANforge-Server. Click OK.
Browse to C:\Program Files (x86)\LANforge-Server and click Next
This is not a signed driver. Please confirm the installation.
You will see the Update Driver Software confirmation. Click Close.
You should not need to reboot your system in order to run the Attenuator.