This issue can stem from various causes, including hardware malfunctions, configuration errors, or problems with your Internet Service Provider (ISP). However, encountering issues such as your Ethernet connection showing "No Internet Access" while still connected can be frustrating. There are many factors causing the switch cannot access the Internet. Check LED lights. Running the "Network and Internet" troubleshooter and updating the drivers can help fix most Ethernet-related issues, including this one. This article provides a comprehensive. When Windows shows “Unidentified network” on Ethernet, it usually means your PC connected to something electrically (link is up), but Windows couldn't get a valid IP configuration or identify the gateway/DNS needed to reach the internet.