Hot answers tagged


You could try 720p mode as you have a Pi 4: Full config details are here on the RPF site. Add the following lines into /boot/config.txt hdmi_group=1 hdmi_mode=69 and restart the computer. Edit: To use dmt add: hdmi_group=2 hdmi_mode=81 and restart the computer


Try the following in /boot/config.txt: # force HDMI hdmi_force_hotplug=1 # disable EDID hdmi_ignore_edid=0xa5000080 # DMT group hdmi_group=2 # 1366x768 60Hz 16:9 hdmi_mode=81


This in fact is a known problem with the Sense-Hat. See for detail. Apparently, the Sense-Hat interferes with the resolution auto-detection if there is no monitor attached (works fine with monitor attached). The work around is to manually specify a resolution (you do not have to force HDMI). You can ...


The Dell s2240Tb is working out of the box with Raspian Buster on a Raspberry Pi 4, including two-finger zoom...

Only top voted, non community-wiki answers of a minimum length are eligible