Network connection troubleshooting steps:-
1. Open command prompt (admin) from start button.
2. Run: ipconfig /flushdns >hit enter.
3. Run: ipconfig /registerdns >hit enter.
4. Run: ipconfig /release >hit enter.
5. Run: ipconfig /renew >hit enter.
6. Run: netsh winsock reset >hit enter.
7. Restart laptop.