Identifying the Cause of Connected to Wi-Fi but No Internet Your device’s network security software is causing issues with the connection.The wireless drivers of your device are out of date.You might have loose wires going into your router.Your data pack might have expired or your bandwidth, data allocation might have been completely exhausted by you.The issue can be caused due to the following reasons:. This proves that your device is connected to the WiFi but has no access to the Internet. On smartphones, you will get to see a black exclamation mark on the WiFi sign. The WiFi symbol will have a yellow danger symbol with an exclamation mark. To identify this issue, notice the Network section on your Windows taskbar and notice the notification bar on your smartphone. The issue might be caused due to a number of different reasons. What causes this issue? How to Indetify it?