@tvfan Can you give a step-by-step of what you did? Turns out my fix didn't fix it.

I found a similar kind of fix on the Chromecast forum! "Under router's Wireless 2.4GHz Basic Setting, change the mode to "11n only". It was previously "11b/g/n mixed"" This worked -- yesterday,...

@Shahril I'm having the same problem. We got the TP-Link Archer AX-1500 this week, and every day since then I have had to reconnect my Chromecast. And at first my phone can't locate it or connect....