One of your solutions was to change the SSID for the router. If I do that, won't that eliminate my ability to wander around the house and automatically connect to the strongest connection-router or...

Changing the strength seems to be working- thanks!

I set up an Archer AX1800 as an access point with a Touch5 as my main router. Everything worked well. I recently replaced the Touch5 with an Archer AXE95 and now I have a problem: I have an external...