try adding the following lines in config.txt
hdmi_group=1
hdmi_mode=16
hdmi_force_hotplug=1
hdmi_edid_file=1
hdmi_mode=16 will set your screen to 1080p 60hz. If your tv is different check the number code in
try adding the following lines in config.txt
hdmi_group=1
hdmi_mode=16
hdmi_force_hotplug=1
hdmi_edid_file=1
hdmi_mode=16 will set your screen to 1080p 60hz. If your tv is different check the number code in