Can't find a specific wireless network on my desktop PC

Hello,

I have a desktop PC and an Alfa AWUS036H wireless WiFi network adapter.



I am able to find plenty of networks to join, but not my landlord's network right upstairs from me. She has Fios, as do I. I see my own Fios network available to join, as well as others, but not hers.



Any idea what I can do to fix that?
Please look at these screenshots and tell me if its safe to go ahead with this because truth be told,please help me out, i did a lot of research about it on internet but couldn't find the proper answer so please help me out ?



Please help.

Thanks,

I didn't find the right solution from the Internet.

References:https://www.cnet.com/forums/discussions/cant-find-a-specific-wireless-network-on-my-desktop-pc/


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