@Kab Please in mind that the wifi password you entered should be the same as your router's. Please provide the following information, then I can provide further help. 1. Please provide a screenshot...

@Sanners Please check below: How to hard reset TP-Link wireless access points, extenders to factory defaults

@ReluctantTech Our engineer sent email to you and follow your case, please check that.

@Uaebuntu Is the DHCP server on TL-WDR4300 disabled? Please refer to this: How to configure WDS function on TP-Link Wireless Routers(green UI)

@cwy Please make sure that RE200 is reset, maybe do this again. Please note that after reset, RE200 wifi will be TP-Link_Extender as the factory dafault one. The only thing I have not tried is uing a...

@KimHughes I need to connect to the 5 GHz, but do not see how to do this. Can someone help me out? --> It's the same as connecting to 2.4GHz wifi, select the 5G wifi name and enter the password....