Hello @baadsfli , Welcome to our community. Is your router Archer AX12? Please refer to How to find the model number of your TP-Link device . AX1500 is likely the WiFi specification of your router....

Hello @A123k123 , Welcome to our community. If you are unable to configure the TP-Link range extender successfully, please refer to What should I do if I fail to configure TP-Link Range Extender?...

Hello @somone , Welcome to our community. Have you connected the laptop to the extender for a try? If only the laptop is experiencing unstable connectivity, it is recommended that you first consult...

Hello @jeffrey_sg , Welcome to our community. Have you changed any settings on the router recently? When did the anomaly occur? 'a few devices' that you mentioned, meaning several routers or clients?...

Hello@sakyu , Welcome to our community. May I know if your network topology diagram is as follows: ISP router—BE450)))((( client devices (Note: — stands for wired connection,)))((( stands for...

Hello @Jairus , If you are unable to configure the TP-Link range extender successfully, please refer to What should I do if I fail to configure TP-Link Range Extender?