What if the computer can connect to wifi but can't surf the Internet?

1, computer ip and dns are automatically set. 2. Open a browser and enter 192. 168. 1 in the address bar (this is the general router address or check the login information on the back of the router)-enter the user name and password (admin by default). [Set router dialing]: 1. Select PPPoE dial-up (some are ADSL dial-up) in the setup wizard, enter the user name and password to access the Internet according to the prompt, and save. 2. In the network parameters -WAN settings, select normal mode, and select PPPoE dialing from the three connection options. The following is to select automatic connection, save and exit. There are many cases where the computer can't connect to wifi! First, ip can't surf the Internet without authorization, depending on whether there are any restrictions. Second, many telecom distribution cats have limited access to the Internet. For example, we have four computers online, but the others can't. Third, some wifi routes are not connected to the Internet. Just turn on a wifi signal and you can't get online. Firstly, the IP address and DNS server are automatically obtained through network connection. Step 1: Press the keyboard shortcut Win+X and select Run. Step 2: In the run command window, enter ncpa.cpl, and click OK to open the network connection window. Step 3: Right-click your active Wifi connection and select Properties. Step 4: In the newly opened window, in the network: select Internet Protocol 4 (TCP/IPv4), and then click the properties below. Step 5: In the window that appears, select Automatically obtain IP address and obtain DNS server address, and then click OK to save the changes. Step 6: Now, click the advanced button below. Step 7: In the advanced TCP/IP settings, go to DNS and uncheck the address registered in DNS for this connection, click OK, save the changes and exit. Now, you can try to connect to the Internet. If it doesn't work, please continue to the next method. Secondly, change the address of DNS server 1: Right-click the start menu and select Run. Step 2: In the run command window, enter ncpa.cpl, and then click OK. Step 3: In the newly opened window, select the active WiFi connection, right-click and select Properties. Step 4: In the window just opened, select Internet Protocol 4 (TCP/IPv4) and click Properties. Step 5: In the window just opened, choose to use the following DNS server address. Now, you add a Google server as follows: Preferred DNS server: 8.8.8.8 standby DNS server: 8.8.4.4 Click OK to save your changes and exit. Now go back and check whether the Internet connection is restored. Third, use the command prompt to reset Winsock If you see a yellow triangle with an exclamation point in the middle, the Internet is unavailable. We can try to reinstall Winsock and do the following: Step 1: Right-click Start, select Run, and start the run command window. Step 2: Now enter cmd and press Ctrl+Shift+Enter to open the command prompt (administrator).