Hello, my L510E is disconnecting after I turn off by wall switch. Flashes and needs to be pair with WI-FI again. It won´t stay connected. I would like to use it also with Alexa however, if this proble

My new apartment came with DSL modem/router already installed, but I'd like to keep my cable service and hook up my cable modem. Which of these coaxial cables do I plug into my modem? And is any of th