用vscode,sublime等,打开u盘config.txt,在最后一行添加
hdmi_force_hotplug=1 config_hdmi_boost=4 #hdmi_group=2 hdmi_group=2 #hdmi_mode=9 hdmi_mode=42 hdmi_ignore_edid=0xa5000080 disable_overscan=1
解决Ok!