Yes, please create a config.txt to test. You can use the params from this link https://www.raspberrypi.org/documentation/configuration/config-txt/video.md Wrt a template, I'd start with hdmi_safe=1 or hdmi_group=2 hdmi_mode=xxxxx (whatever mode you need) Pablo. On 12/4/20 16:52, John Frink wrote: > Should I create a /boot/config.txt file for the system? If so, is > there a generic template for such a file? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/arm-dev/attachments/20200412/50d8be11/attachment-0005.html>