@Orukal Does the mini pc support both Ethernet and WIFI and is it turned on in thr PC? Are you using Smart Connect where you have just one SSID?

@hawks That att is a gateway (modem and router combo) which needs to be set into bridge mode if you want to attach a router to it. The router needs to be in router mode.

@ShaunZero There have been other strange issues with Spectrum that involved the DNS settings. Try using a different DNS setting in your router settings and see if it makes a difference. Many are...

@Dkay Go to your internet settings on your router and change the Primary and secondary DNS settings to another DNS provider. You may be able to change the DNS settings on your Apple devices which may...

@DLowe Onemesh must be used with an extender. From what I can find, Onemesh does not support backhaul via Ethernet. Your best option is to get a mesh system if you need seamless internet. I looked at...

@kbasler on the router I have used, it is just the one selected. If you use whitelist, be sure to add the computer you are making the changes with.