When encountering the problem of "Windows can't connect to this network", you should first check whether the network name and password are correct, including case, spaces and special characters. If it is a Chinese WiFi name, try to change it to English, and then forget the network and reconnect; secondly, check whether the router limits the number of devices or enables MAC address filtering, and restart the router or log in to the background to adjust the settings; thirdly, check the system network settings and drivers, update the wireless network card driver, reset the network settings or confirm that the IP is automatically obtained; finally check whether the network authentication method is compatible, especially in enterprise or campus networks, you need to consult the administrator to configure the correct EAP protocol and installation certificate.

It is actually quite common to encounter the problem of "Windows can't connect to this network", especially when connecting to certain specific WiFi networks. It is not a simple signal problem, but is often a minor problem in configuration or authentication mechanism. Below I will talk about how to check and solve it from several common perspectives.

1. Check whether the network name and password are correct

This is the most basic step, but it is also the most prone to errors. Especially when connecting to WiFi in public places or friends' homes, it is common to enter an incorrect password.

• Make sure the password you entered is accurate
• Check if there are spaces or extra characters are typed
• If it is a Chinese WiFi name, some old devices may not support it. Try changing the English name to try

If you confirm that there is no problem and can't connect, you can try to forget the network and reconnect it:

1. Open Settings > Network and Internet > WLAN
2. Find the network, click and select "Forgot"
3. Connect again and re-enter your password

2. It may be that the router limits the number of devices or filters MAC address

Many home routers will set "up to connect to the device" or turn on "MAC address filtering", which may cause new devices to be unable to access.

You can see if these situations occur:

• Many devices (such as mobile phones, flat screens, TVs, etc.) may have reached the upper limit
• The router has a whitelist, allowing only specific devices to connect

Solution:

• Restart the router to release some connection quotas
• Log in to the router background to see if MAC filtering is enabled, and temporarily turn off or add your computer's MAC address

3. System network settings or driver issues

Sometimes the problem is not the network itself, but the Windows settings are incorrect.

• Update the wireless network card driver: You can find the wireless network card in the "Device Manager" and right-click to update the driver
• Reset network settings: In the Settings > Network and Internet > Status page, click Reset Now under Network Reset (Note: This will delete all network configurations and restore the default)
• Check whether the IP settings are automatically retrieved. Manually setting the wrong IP will also cause the connection to fail.

4. Network authentication method is incompatible

Some companies or schools use special authentication methods (such as 802.1X). ??If ordinary devices are not configured correctly, they will prompt "can't connect".

If you are in a company or campus environment, you have this problem:

• Consult an administrator to obtain the correct authentication method and certificate
• Select the appropriate EAP protocol in the connection options, such as PEAP-MSCHAPv2, etc.
• Sometimes you need to install a CA certificate to connect normally

Basically these common reasons. Although the problem seems simple, it may involve multiple links. Start the simplest investigation first, go deeper step by step, and you can handle it in most cases.

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