Watch the video:
Timestamps:
0:00 - Explanation
0:39 - Fix Raspberry Pi black/blank screen
1:53 - Other resolutions
Trying to start your Raspberry Pi, and getting no video output or display? Seeing the Raspberry Pi icon, and then nothing? This video shows you how to set the resolution in your Pi’s config, so on the next boot, your display can accept a new resolution.
RPi config: https://elinux.org/RPiconfig
Other resolutions & Numbers: https://elinux.org/RPi_Configuration