Windows 7 problems with connecting wifi and lan

It sounds like you and your friend are facing an interesting networking challenge. To summarize, you want to set up a homegroup using Ethernet connections to your friend's router, but due to an issue with the internet going off when the router is plugged into the wall, you are exploring a workaround using your Wi-Fi cards. Here are a few suggestions to help you set up the homegroup and share files and printers effectively: 1. Use Wi-Fi Direct (Ad-Hoc Network): - You can create an ad-hoc network using the Wi-Fi cards on your laptops. This allows you to connect directly to each other without the need for a router. - Once the ad-hoc network is set up, you can create a homegroup and share files and printers between your laptops. 2. Check Network Settings: - Ensure that both laptops are on the same network profile (private network) to allow sharing and communication. - Check the network properties to verify that file and printer sharing is enabled. 3. Configure Firewall and Security Settings: - Adjust firewall settings to allow file and printer sharing on your laptops. - Verify that security settings are not blocking the sharing features. 4. Update Wi-Fi Drivers: - Make sure that the Wi-Fi drivers on both laptops are up-to-date to avoid any connectivity issues. 5. Use a Different Network Configuration: - If the ad-hoc network setup is not feasible, you can explore other network configurations, such as using a mobile hotspot or a separate router that doesn't interfere with the main internet connection. 6. Troubleshooting Connectivity Issues: - If the Wi-Fi connection claims to be connected but doesn't work, troubleshoot the connection by checking IP configurations, DNS settings, and gateway settings. By implementing these steps, you should be able to create a workaround for setting up a homegroup and sharing files and printers with your friend despite the unique constraints you're facing with the router connectivity. Let me know if you need more detailed instructions on any of these steps!