![What should I do if the internet light is off or there is an error message “ WAN Port Unplugged” on the TP-Link router page? What should I do if the internet light is off or there is an error message “ WAN Port Unplugged” on the TP-Link router page?](https://static.tp-link.com/WeChat_Image_20201230155137_1609315121936v.png)
What should I do if the internet light is off or there is an error message “ WAN Port Unplugged” on the TP-Link router page?
![No internet connection when using TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode(Case 1) No internet connection when using TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode(Case 1)](https://static.tp-link.com/image005_1559208318230s.jpg)
No internet connection when using TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode(Case 1)
![Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)? Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)?](https://static.tp-link.com/image001_1495175298553s.jpg)
Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)?
![Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)? Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)?](https://static.tp-link.com/QQ%E6%88%AA%E5%9B%BE20170718154143_1500364034335j.png)
Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)?
![Amazon.com: TP-Link AC1200 Gigabit Smart WiFi Router - 5GHz Gigabit Dual Band Wireless Internet Router, Supports Guest WiFi, Black : Electronics Amazon.com: TP-Link AC1200 Gigabit Smart WiFi Router - 5GHz Gigabit Dual Band Wireless Internet Router, Supports Guest WiFi, Black : Electronics](https://m.media-amazon.com/images/I/71QpQvnqW1L.jpg)
Amazon.com: TP-Link AC1200 Gigabit Smart WiFi Router - 5GHz Gigabit Dual Band Wireless Internet Router, Supports Guest WiFi, Black : Electronics
![No internet connection when using TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode(Case 1) No internet connection when using TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode(Case 1)](https://static.tp-link.com/image001_1559208240412f.png)
No internet connection when using TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode(Case 1)
![Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)? Why cannot I access the Internet after successfully connected to the TP-Link router's wireless network(Windows OS)?](https://static.tp-link.com/TL-WR940N(UN)6.0-A-2000px_normal_1584497345873p.png)