Adjust Resolution for Raspberry Pi - Wiki
wiki.sunfounder.cc › indexConnect a mouse and a keyboard to your Raspberry Pi. Click open the Terminal, and type in the command to open config.txt sudo leafpad /boot/config.txt Step 2: Modify the config.txt file Now the file config.txt is opened. 1)Define a custom CVT mode add the following lines below #hdmi_force_hotplug=1. hdmi_cvt=1920 1080 60 3 0 0 0