u/Exact-Elderberry-836

so i just moved in with grandparents for a little and i can’t get service to my computer upstairs im used to having ethernet so i never had any antennas for my pc problem is idk what type of wifi port this is an what antennas go with it any help is appreciated or any alternatives besides antennas would help i alr tried a wifi usb adapter didnt help, an extender didnt help, so idk i might try better wifi usb adapter if this dosent work.