Stick up Cam wired connection issues

I am this problem. I am very proficient wiring cat 5e and cat6 cables. I constantly get the poor connection message when viewing my cameras. I currently have four cameras connected wired through PoE. The cameras almost act as if they are trying to get a Wi-Fi signal even though they are connected wired. The camera status says it has a weak Wi-Fi connection which is why they are wired. My home has aluminum siding with blocks the Wi-Fi signals.