Two ways to get 8PC color.
1) connect display that supports it to HDMI port.
2) return laptop and look for another that has a display panel that supports it.
Connect my 55" UHDTV hanging on the wall in my bedroom to hdmi port and get 8bpc. set up to use ONLY the HDTV and another world opens up.
“Two things are infinite: the universe and human stupidity, I'm not sure about the former” ~ Albert Einstein