1. Check if your device is connected to the right type of network (wired or wireless).
2. Ensure that your hardware is functioning properly (check cables, ports, switches, etc.).
3. Check the settings on your router or modem.
4. Check adapter configuration on all devices.
5. Restart or reset your modem.
6. Temporarily disable antivirus and firewall programs.
7. Make sure you have the right username and password.
8. Configure DNS settings.
9. Update drivers and firmware.
10. Check for bad proxy settings.