The network reset will remove and reinstall all of your network adapters on your computer. It will also reset most of the other networking components back to their default settings. This is very helpful when you are having various networking issues. This also means that any saved network passwords will be forgotten for things like Wi-Fi and you will have to reenter that information again. You may need to uninstall and reinstall or reconfigure networking software such and VPNs due to those settings being reset.