Why my computer is not showing up the 5G band of my router and my tplink extender?
If your computer is not showing up the 5G band of my router and my tplink extender,this means that the computer is not compatible for 5G band.In that case you can buy an external adaptable to us 5G band , the one is compatible.
The reason you are not getting any 5G band signal on your computer is that maybe it is not compatible with the 5G band. For using the 5G band you can buy an external WiFi adapter which is compatible.