IPv4 and IPv6 Connectivity says no Internet access

My computer says that there is internet access but when I use a browser it does not work. Also the Ipv4 and Ipv6 connectivity says no internet access and upon launching the troubleshoot it says that the DNS server isn't responding. So there are many problems.
 

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Last updated May 21, 2020 Views 380,381 Applies to:
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Hi

Internet works with IPv4.

I can not give any focused answer since you did not provided any technical info about how you connect to the Interent and the Devices that are involveved.

In general.

Check the Device Manager for valid Wire card entry.

http://www.ezlan.net/Win7/net_dm.jpg

If there is No valid entry, delete any Bogus Entry, and re-install the Wire card's Drivers.

Check the Network connections to make sure that you have a Local Area Connection Icon/Entry, and that the Properties of the Icon (right click on the Icon) are correctly configured with TCP/IPv4 protocol in the Network Connections Properties.

http://www.ezlan.net/Win7/net_connection_tcp.jpg

Log to the Router's menu from a working computer and make sure that the DHCP is On and it is configured to assign IPs that can cover the number of computer that are connected (few more will be even better).

Switch Off the computer and the Router, Reboot the Router, and the computer.

Right click on the Wire card Network Connection, choose Status, Details, and see if it got an IP and the rest of the settings.

Still Not Working, try this too.

Software Firewalls.

Make sure that the Software Firewall on each computer allows free local traffic. If you use 3rd party Firewall Windows Firewall has to be Off, and the active Firewall has to adjusted to your Network IP numbers on what is some time called the Trusted Zone (consult your 3rd Party Firewall instructions

General example,  http://www.ezlan.net/faq#trusted

Please Note that some 3rd party Software Firewalls keep blocking aspects of Local Traffic even it they are turned Off (disabled). If possible configure the Firewall correctly, or totally uninstall it to allow clean flow of local network traffic. If the 3rd party software is uninstalled or disables, make sure that Windows native Firewall is On .

Reset the Network Stacks .

Type Cmd in the Start Search text box.

Press Ctrl-Shift-Enter keyboard shortcut to run a  Command Prompt as an Administrator.  Allow elevation.

Type netsh winsock reset in the Command Prompt , and then press the Enter key.

Do the same process for refreshing the TCP/IP, just replace the typed command with.

netsh int ip reset

Restart the computer.


Jack, MVP-Networking. WWW.EZLAN.NET
Jack MVP, Microsoft Windows Desktop Experience-Networking.

www.EZLAN.net

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