You can try this - LINK

You can configure WZC (wireless zero configuration) in your computer: 1) Type services.msc in "run" and enter. 2) Select wireless zero configuration from the list which appears in the next window. 3)...

Maybe "Wireless Zero Configuration" in Windows will be recipe for your problems, without dedicated application.

Try make mode: b,g,n mixed, next click save and reboot your router. What is your wireless card model?

Please give us phone line configuration (vpi vci). Who is your line owner Neti or TP.SA? Give us screenshot from line parameters. Daj na screen-a z konfiguracji linii (vpi vci). Kto jest właścicielem...

I think the tp-link router doesn't support 3TB. Yes it is.