HI Frhl,
Welcome to the HP Forums!
For you to have the best experience in the HP forum, I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that you have lost your Internet connection and are unable to reconnect.Here is a link to Troubleshooting Wireless Network and Internet (Windows 8) to help with that. You can also run the diagnostics to test for hardware failures. Testing for Hardware Failures (Windows 8).