Diagnosing the Network Status
You can diagnose the network state and find solutions for why you cannot connect to the network.
1 Launch Easy Network Manager.
2 Select Management > Diagnose Status from the menu.
3 The Network Connections window appears. Click Start to start the network diagnosis.
4 When the diagnosis is complete, a device with a problem is marked by an exclamation mark icon with a description of the problem at the bottom of the window.