Typically, these kinds of issues occur because of unwanted setting changes, device driver compatibility, or bugs with the new version. However, other factors can also cause Wi-Fi problems. For example, the network adapter driver might be gotten damaged during the upgrade. The adapter is not using the latest driver, which was compatible with the previous version, but it is not with the Windows 10 May 2021 Update. It could also be a configuration problem or something else. If you cannot connect to a network and the internet, the computer randomly disconnects from the Wi-Fi access point, or speeds are not adequate, Windows 10 offers some troubleshooting tools to fix most Wi-Fi issues. In this guide, you will learn several troubleshooting steps to fix Wi-Fi problems after installing the Windows 10 21H1.

Fix Wi-Fi using Network Adapter troubleshooter Fix Wi-Fi using Network reset Fix Wi-Fi using updated network driver Fix Wi-Fi uninstalling Windows 10 21H1

Fix Wi-Fi using Network Adapter troubleshooter

To resolve Wi-Fi issues after installing version 21H1 (May 2021 update) automatically, use these steps: Once you complete the steps, the troubleshooter will scan, detect, and resolve the Wi-Fi problem. You can confirm the fix by opening the browser and testing the internet connection. Additional troubleshooters Run network troubleshooter Windows 10 21H1 fix Wi-Fi If the wireless is working again, you do not need to do anything else. If it is still not working, try the following method.

Fix Wi-Fi using network adapter reset

If the troubleshooter could not fix the problem, Windows 10 also includes a network reset feature that removes and reinstalls all the network adapters, which in most cases can resolve most wireless problems, including slow speeds or other issues trying to connect to the internet. To reset the Wi-Fi adapter to fix any connectivity problems, use these steps: After you complete the steps, you may need to reinstall some networking software, such as a VPN client or virtual switch software, as necessary. Also, you will need to reconnect to the wireless network manually, which may require entering the password again. Windows 10 21H1 network reset Reset Wi-Fi option If the adapter is working again, you are all done here. However, if the problem persists, try the method below.

Fix Wi-Fi updating network adapter driver

In the event that the slow Wi-Fi connectivity or another problem persists, the problem could be that the device is using an older driver. You can resolve this issue by installing the latest driver from the manufacturer’s support website. To update the wireless adapter driver, use these steps: Once you complete the steps, the desktop or laptop should connect to the wireless network and internet. Device Manager update Wi-Fi driver Browser computer for Wi-Fi driver Wi-Fi driver location Alternatively, you could also use an older version of the Wi-Fi adapter driver designed for Windows 8.1 or Windows 7, which might mitigate the problem until there is a permanent fix.

Fix Wi-Fi uninstalling Windows 10 21H1

If you are still dealing with the same wireless problem after trying the above tips, then it could be a bug with the May 2021 update, in which case, you will need to wait until the next system or driver update. Alternatively, you can roll back to the previous version of Windows 10 until the Wi-Fi problem is resolved, which you can do by referring to this video walkthrough. In addition, it’s recommended to check the network settings on Control Panel > Network and Internet > Network Connections, double-clicking the adapter, and opening the properties page. In the past, there have been cases where the TCP/IP settings have been disabled, and DNS settings reset after the upgrade. Also, you should always restart the router and access point to confirm these devices are not the problem. We are focusing this guide on Windows 10 version 21H1, but you can use these instructions on virtually any supported version of the operating system. 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.