Fix No WiFi after Windows Update
After you install Windows Updates or a Feature Upgrade, you may find that no wireless networks are available. Wired Ethernet connections may also not function properly if you use a built-in Ethernet adapter or a USB Ethernet adapter. This could occur due to the presence of unsupported VPN software. If there is No WiFi after Windows Update, here are a few things you could try:
WiFi does not work after installing Windows Update
1] Check Router setting
If you do not see the Wi-Fi network’s name at home, first ensure that your router is set to broadcast the network’s name.
2] Reset your Wi-Fi router
Restart your computer. Reset your Wi-Fi router and see if that works.
3] Disable VPN software
Next check if you have any VPN software installed on your computer. If it does not support Windows 11/10, then uninstall it and see if it resolves the issue. If it does, then visit the software vendors website and download the version which supports Windows 11/10.
4] Disable the Firewall software
Disable your Firewall and see if that is the cause.
5] Ensure that Airplane mode is Off
Open Settings > Network & Internet > Airplane mode. Ensure that Airplane mode is Off. Read: Fix WiFi problems on Windows 10.
6] Check networking protocols
To resolve this issue, KB3084164 recommends the following. First, in a CMD, Run netcfg –s n to see if DNI_DNE is present in the resulting list of networking protocols, drivers and services. If so, proceed. Run the following commands, one after the other, in an elevated command prompt:
If this does not work for you, create a system restore point and then Run regedit to open the Registry Editor. Navigate to the following registry key: If it exists, delete it. It basically does the same thing as the ‘reg delete‘ command. 6] Update WiFi driver You may want to update your WiFi driver and check. You may run Windows Update or use the Devices Manager. Alternatively, you may uninstall your WiFi driver and then download and install the WiFi driver using the manufacturer’s website. 7] Use Network Reset feature The Network Reset feature in Windows will help you reinstall Network adapters and reset Networking Components to original settings. To check this, you will have to connect your PC to your router using an Ethernet cable. Next, open your browser and type the IP address for your wireless router in the address bar and hit Enter. Sign in and visit the Wireless Settings page. Now ensure that the settings Enable SSID Broadcast, Wireless SSID broadcast, etc., is set to On. The issue could affect Surface devices too. Let us know if anything helped you. Also, see if Demóstenes comment below helps you. Related read: Limited WiFi connection problem in Windows.
