![Amazon.com: TP-Link WiFi Extender with Ethernet Port, Dual Band 5GHz/2.4GHz , Up to 44% more bandwidth than single band, Covers Up to 1200 Sq.ft and 30 Devices, signal booster amplifier supports OneMesh(RE220) : Amazon.com: TP-Link WiFi Extender with Ethernet Port, Dual Band 5GHz/2.4GHz , Up to 44% more bandwidth than single band, Covers Up to 1200 Sq.ft and 30 Devices, signal booster amplifier supports OneMesh(RE220) :](https://m.media-amazon.com/images/I/4170I9VYmiL.jpg)
Amazon.com: TP-Link WiFi Extender with Ethernet Port, Dual Band 5GHz/2.4GHz , Up to 44% more bandwidth than single band, Covers Up to 1200 Sq.ft and 30 Devices, signal booster amplifier supports OneMesh(RE220) :
![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)?
![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/image003_1559208281803q.jpg)
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 2) No internet connection when using TP-Link Wireless 4G LTE Router working as 3G/4G Router Mode(Case 2)](https://static.tp-link.com/image-20210625135239-30_1624600505099p.png)