TP-Link Archer C20 V4 (US) - wifi not working after going back to stock - Installing and Using OpenWrt - OpenWrt Forum
![Why my Wi-Fi Router cannot get WAN parameters from my modem (new designed blue UI)? | TP-Link Australia Why my Wi-Fi Router cannot get WAN parameters from my modem (new designed blue UI)? | TP-Link Australia](https://static.tp-link.com/res/upfile/faq/20160407054159.png)
Why my Wi-Fi Router cannot get WAN parameters from my modem (new designed blue UI)? | TP-Link Australia
![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?
![Why my Wi-Fi Router cannot get WAN parameters from my modem (new designed blue UI)? | TP-Link Australia Why my Wi-Fi Router cannot get WAN parameters from my modem (new designed blue UI)? | TP-Link Australia](https://static.tp-link.com/res/upfile/faq/20160407054326.png)