Solved: WiFi Keeps Disconnecting After Windows 10 21H2 update

Does WiFi keep disconnecting after Windows 10 21H2 update? A number of users report Wi-Fi connection is horrible after update the Windows PC with the latest patch. It keeps dropping the internet connection every 10 minutes or so and the access to the Internet is cut off for 10 – 20 secs and then comes back. For some other WiFi disconnects, then the network name disappears from the list and only appears again after a laptop/adapter reboot.

This problem mostly occurs because of driver incompatibility between the network adapter and Windows device. And update, reinstall the latest driver software for the network most probably fix the problem for you.

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WiFi Keeps Disconnecting Windows 10

Before go ahead,

Restart network devices include PC, routers, switch that fix the problem if a temporary glitch causes the issue.
Temporarily turn off any antivirus or malware prevention software
Also, disable Firewall and VPN if configured.
Check and make sure the latest windows updates installed on your device. Or head over to Settings, Update & security and click the check for updates button.
Perform Windows clean boot, which helps to determine if any startup service conflict causing the problem.
Open windows services, using services.msc and restart the WLAN AutoConfig service.

Run the Internet Connections Troubleshooter

This troubleshooter is an automated Windows 10 inbuilt tool that finds and fixes the common issues with the Internet Connections on the computer. Perform these steps to run this tool and check if that helps.

Press Windows + X select settings,
Click on Update & security, then troubleshoot,
Now on the right-hand side look for and select “Internet Connections”.
Click run the troubleshooter and follow on-screen instructions,
This will check and fix problems, prevent the internet connection from working properly.

Run the Network Adapter Troubleshooter

This is another automated Windows10 inbuilt tool, detects and fixes the common issues with the Network Adapter Settings on the computer. It also checks if the network adapter drivers are up to date or not. It may also provide you some clues about the hardware failures happening to the Network Adapter.

Press Windows + X select settings,
Click on Update & security, then troubleshoot,
Now on the right-hand side look for and select the Network adapter
Click run the troubleshooter and follow on-screen instructions,
Restart windows after completing the troubleshooting process,
Now check if you have a stable network and internet connection.

Reset your network adapter

If the troubleshooter didn’t fix the problem, you can reset all your network adapters using the steps below.

Press Windows + X select Settings,
Click on Network & Internet, then Status,
Finally, Click on Network reset link,

Click the Reset now button,

Using this process, Windows 10 will automatically reinstall every network adapter that has been configured on your device, and it’ll reset your network settings to their default options. Restart windows and check There is no more problem with the WiFi connection.

Reinstall WiFi driver

If the above solutions didn’t fix the problem for you, Still WiFi disconnecting frequently. Then reinstall the Driver software for WiFi Adapter, most probably solve the problem.

To Uninstall and Reinstall the Network Card Drivers.

Press Windows + X select Device manager,
This will display all installed drivers list,
Expand network adapter,
Right-click on installed WiFi adapter, select uninstall device,
Click yes, if ask for confirmation,
Restart windows to completely remove the driver software,
On the next start windows automatically install the network adapter.

Also, you can Go to the Computer or Network Card manufacturer’s website and search for the latest Windows 10 drivers available for the Network Card model and then install it by following the instructions given on the website.

Check Power Management Issues

It is quite possible that your computer is automatically turning OFF its WiFi Adapter in order to conserve power. Since this power-saving feature appears to be interfering with your WiFi Network, you are quite justified in Turning Off this feature.