Could try adding hdmi_enable_4kp60=1
to cmdline.txt? see also https://www.raspberrypi.com/documentation/computers/config_txt.html ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T42a55b55ffb81417-M08313ef7a37be8c62bc200a4 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription