Desktop Internal Network Connectivity Troubleshooting

I am facing a connectivity issue with my desktop computer concerning accessing the internal network.

Potential causes could be the recent adjustments made to my network settings. I am looking for an IT professional who can help troubleshoot this issue, ideally someone with:

- Experience in network setup and troubleshooting
- Proficiency in diagnosing and resolving connectivity issues
- Ability to identify potential problems caused by recent changes to settings