New Xfinity router - laptop does not detect network anymore

[PIneSt]

Just upgraded to newest Xfinity router (xFi Advanced Gateway which has support for W/-Fi 6). All of our other devices in the house automatically connected to the new router - which had the same network name as before... but our hp laptop didn’t. And when I open up the network settings... the network isn’t listed. Also - I like other devices - I do not see where I can search for other networks not listed. The list of networks that do show up - are all of our neighbor’s networks... just not ours. Anyone else have this issue or have any ideas on how (or even if) we can get connected to our network?

[banhien]

@PIneSt 

What is your 11-y0xx ? Looks like it only supports 2.4GHz networks. Please allow your new router to broadcast DUAL bands and your machine should see the 2.4GHz network to connect.

Regards.

[PIneSt · Accepted solution]

Thanks Banhien. I called Comcast directly (again) to ask them how I can set that up (dual broadcast) and the rep told me the likely problem was from needing to get my driver updated. Apparently a common and known issue with the new xFi gateway with WiFi 6... whatever that is. 
Here’s the link to the article the rep sent me:  https://www.xfinity.com/support/articles/update-wifi-driver

thanks for your help