Wakeup Pops!

I&rsquo;m a nerd so I have a computer plugged into my TV. I leave the computer on all the time so it can get my linux ISOs whenever. Then when I want to watch something I turn my TV on and it&rsquo;s all ready to go. &#xA; An update to Pop!_OS suddenly meant that the PC&rsquo;s picture wouldn&rsquo;t return when the TV turned on. What worked for a decade now doesn&rsquo;t. WTF is going on? I…