Problem: Cannot connect to the internet or have intermittent connection drops.
Steps to Resolve:

1. Restart devices: Turn off and restart your router/modem and computer.
2. Check physical connections: Ensure the Ethernet cable is properly connected or the Wi-Fi signal is strong.
3. Run a troubleshooter: On Windows, use the built-in troubleshooter by going to Settings > Network & Internet > Status > Network Troubleshooter.
4. Flush DNS: Open Command Prompt and run ipconfig /flushdns.
5. Contact ISP: If the problem persists, check with your Internet Service Provider for outages or further assistance.