If you are unable to connect to the Internet from your Windows system, there are a few troubleshooting steps you can take to get it working again.
1. Check Your Cable/Wireless Connection: The first step is to check your physical connection. If you are using an Ethernet cable to connect to the Internet, check that it is securely plugged into both your computer and the router or modem. If you are using a wireless connection, make sure it is turned on and the security key is correct.
2. Restart Your Router/Modem: If your cables are securely connected and you are still not connected to the Internet, restart your router or modem. This will reset your network connection and may help you to connect properly.
3. Check Your Firewall Settings: Firewalls can block access to the Internet and prevent you from connecting. Go into the Firewall settings in Windows and make sure that the firewall is not blocking your Internet access. You may also need to add your programs to the exception list so they can access the Internet.
4. Run the Network Troubleshooter: Windows includes several network troubleshooting tools to help you diagnose and fix network problems. To access these tools, open the Control Panel and select “Network and Internet”. Then, click “Troubleshoot Problems” under the “Network and Sharing Center” section. Follow the directions in the troubleshooter to diagnose and fix your connection issues.
5. Reinstall the Network Adapter Drivers: Sometimes, if the drivers for your network adapter become corrupted, your Internet connection will be affected. To fix this issue, you need to reinstall or update the drivers. To do this, go to the manufacturer’s website and search for the latest driver update for your network adapter.
6. Reset Your IP Address: If your IP address has become corrupted, you may be unable to access the Internet. To reset your IP address, open the Command Prompt and type “ipconfig /release”, followed by “ipconfig /renew”. This will reset your IP address and help you to connect to the Internet.
7. Clear Your DNS Cache: Sometimes, the DNS (Domain Name System) cache can become corrupted, preventing you from accessing websites. Clearing the DNS cache can fix this issue. To do this, open the Command Prompt and type “ipconfig /flushdns”.
8. Reset the TCP/IP Stack: If all else fails, you can try resetting the TCP/IP stack. This will reset all of the network configurations back to their defaults. To do this, open the Command Prompt and type “netsh int ip reset” followed by “netsh winsock reset”.
Hopefully one of these solutions will help you to get connected to the Internet again. If you are still having trouble, you may want to contact your Internet service provider (ISP) for additional help.