M Diamond wrote The main router works fine, right? Did you test the connection directly to W8980? As to WA750RE, firmware is up to date? How about status of all lights when it stops working? Can you...

Model : Hardware Version : Not Clear Firmware Version : ISP : I have installed a TL-WA750RE to my TD-W8980 wireless router using the Quick setup instructions using the WPS button and the exteneder...