If you press and hold the Ctrl, Alt, and Delete keys on your keyboard, you can access the Task Manager.
![modem manager windows modem manager windows](https://www.vtscada.com/help/Content/Resources/Images/Dev_InstallTSP.png)
If you receive an error message, or you cannot see the commands and responses, try closing any other programs that are running. If you can bring this up, continue to the next section. If this appears to be correct, highlight the port the modem is currently installed on and click the More Info button.Īfter doing the above steps, you see additional information about the computer's modem (you should see several ATI command and responses). In the Diagnostics tab, verify that the modem is installed on the correct port. In the Control Panel, double-click Modems. If Device Manager appears to be ok, run More Info on the modem by clicking Start, Settings, Control Panel. Run more info on the modemīefore attempting the below recommendations, ensure that all of the above steps are completed or verified. If you have removed or made any modifications, reboot the computer to allow Windows to reinitialize the devices. If each of the above steps appear to be fine, continue to the next paragraph.