Reboot the computer and see if the connectivity issue has been resolved.
If the device is successfully reinstalled it will show back up under the "Network Adapters" drop-down. The icon can be hard to see - you can hover your mouse over the button to confirm you are choosing the correct one. IAPs generally provide dial-up access through a modem and PPP connection, though companies that offer Internet access with other devices, such as cable modems or wireless connections, could also be considered IAPs. Once the adapter has been uninstalled click on the "Scan for hardware changes" button to search for and reinstall the correct adapter. Short for Internet Access Provider, a company that provides access to the Internet.This will remove the adapter from the list and uninstall the driver. Click "Ok" when prompted to uninstall the device.
If troubleshooting a wireless issue make sure to select the correct device - the word "Wireless" will likely be in the title. This will remove the adapter from the list and uninstall the device. Right click on the adapter you want to uninstall and select "Uninstall". This will list all network adapters that the machine has installed.
This document details how to uninstall and reinstall a network adapter for the purpose of troubleshooting networking problems on Windows 7, 8, and 10.