I was able to make progress. I changed the channel on my Dlink router to 1. Now the wifi was discovered and connected also. But I am still skeptical about explicitly setting the channel to 1. Earlier...

My TP-Link Archer T2U Plus wifi (ac600) adapter is plugged in my Windows 10 desktop. It detects all surrounding networks except my home wifi which is hosted by my D-Link DIR 615 router. The router is...