@William_Wu The extender needs to be plugged into the wall socket. Is this the case or is it plugged into an extension?

@Techsolver74 When they are on the same SSID, they need a WIFI overlap to handover. If there is a gap in the WIFI signal, it will hold on to the distant access point. When you have different SSIDs,...

@BaasB. As a first step, open a command promt on your computer. Ping 8.8.8.8. then ping www.bbc.co.uk. If the first one gets replies and the second doesn't, then it's a DNS issue. If this is the...