During the initial rollout of the Fall Creators Update, a small number of users have been reporting bugs and features not working, including Wi-Fi connectivity problems. After installing version 1709, users have been complaining about very slow Wi-Fi speeds, and others have reported being unable to connect to a wireless network and losing their networking settings like previously configured DNS settings. While this might just be a problem with the Windows 10 Fall Creators Update itself, sometimes there are other factors that can cause connectivity issues. During the upgrade process, the driver for the Wi-Fi adapter might have got corrupted. You probably don’t have installed the latest driver, which happened to work with the previous version, but it doesn’t work with the new release. There could be some configuration problems and a number of other things. In this guide, you’ll learn a few ways to fix the Wi-Fi problems after installing the Windows 10 Fall Creators Update (1709).
How to use Network Adapter troubleshooter How to completely reset a Wi-Fi adapter How to update a Wi-Fi adapter driver How to roll back to the previous version of Windows 10
How to use Network Adapter troubleshooter
Windows 10 includes a troubleshooting tool in the Settings app to find and fix a number of wireless and other network adapters problems automatically. To use the Network Adapter troubleshooter, use the following steps: The troubleshooter will find and try to fix the Wi-Fi problem on your device. After the process completes, open your web browser and try to connect online. If everything is working again, you’re all done. If it’s still not working, try the following method. Network adapter troubleshooter Network Adapter wizard
How to completely reset a Wi-Fi adapter
Windows 10 also includes a handy tool that removes and then reinstalls all your network adapters and resets all the networking components to its default settings, which can help to fix slow speeds or problems trying to connect online. To reset your Wi-Fi adapter, do the following: Using this method, you may need to reinstall other networking software, such as VPN client or virtual switch software. In addition, you’ll need to manually reconnect to any Wi-Fi network, which may require to enter a password. Network reset option on the Windows 10 Fall Creators Update Windows 10 Network Reset You can watch the video tutorial below to see in more details the steps to fix a wireless adapter on Windows 10.
If everything is working again, you’re all done. If it’s still not working, try the following method.
How to update a Wi-Fi adapter driver
In the case, you’re still experiencing slow Wi-Fi speeds, or problems connecting online, your computer may not be running the latest version of the driver. You can resolve this issue by downloading and installing the latest driver from the network adapter manufacturer’s support website. Typically, you want to use their instructions to install the latest version of the driver, but you can also use these steps: Sometimes, when nothing works, you can also try an even older version of the Wi-Fi adapter driver, such as those designed for Windows 8.1 or Windows 7, which may fix the problem temporarily until there is a permanent fix.
How to roll back to the previous version of Windows 10
If you’re still having connectivity issues, then chances are there may be a bug inside the new version of Windows 10 or with the network adapter, and you may need to wait until there is an update for the adapter or the OS. As a last resort, you can go back to the previous version of Windows 10 until the Wi-Fi problem is resolved. You can follow the instructions in the video below to rollback (or uninstall) the Windows 10 Fall Creators Update from your computer.
Wrapping things up
It’s also a good idea to check your connection settings on Control Panel > Network and Internet > Network Connections, and open the adapter’s properties. In the past, users had complained about the TCP/IPv4 getting disabled and DNS settings getting reset after the upgrade. In addition, you should always reboot your router, and restart any wireless extender on every method you try, just to see if it helps to resolve the Wi-Fi slow speed or connectivity problems as you follow the steps mentioned above. Update November 16, 2017: If you’re losing Wi-Fi connectivity after installing the Fall Creators Update, you can also try this workaround, which seems to be working for some users. Originally published in April 2017, updated in October 2017. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.