Method 1: Perform Network troubleshooter
Select Start> Settings> Network & Internet> Status.
Under Change your network settings, select Network troubleshooter.
Method 2: Reinstall Network adapter.
In the search box on the Taskbar, type Device Manager, and then select Device Manager from the list of results.
In Device Manager, select Network adapters > the network adapter name. Press and hold (or right-click) the network adapter, and then select Uninstall device > Delete the driver software for this device check box > Uninstall.
After uninstalling the driver, select the Start button > Power > Restart.
After your PC restarts, Windows will automatically look for and install the network adapter driver.
Check to see if that fixes your connection problem.