At present, there are still some problems in the win10 system. For example, it is common that the network is connected but can't access the Internet. Here are the solutions I sorted out about win10 network but can't access the Internet. I hope I can help you!
Right click the connection icon and select to open the network connection setting center, as shown in the figure below
Find your current network connection, as shown in the figure below
Select change adapter settings, as shown in the following figure
Find your current network connection, as shown in the figure below
Right click the current network connection - properties, as shown in the following figure
Select multicast protocol and click Install, as shown in the figure below
Select the agreement and add it, as shown in the figure below
Select the reliable multicast protocol, click the OK button, and then restart the computer. As shown in the figure below
If it cannot be solved, press Win + X at the same time and select the command prompt (administrator), as shown in the following figure
Enter Netsh Winsock reset in the prompt box and press enter, as shown in the figure below
Reset successfully, restart your computer, as shown in the figure below