If Raspberry Pi monitor is not working and there is no display after boot, follow the solutions mentioned in this post to resolve the issue, ...

It relies on the main display being pushed to the HDMI output, so if the Pi is otherwise headless then its configuration has to be such that it forces HDMI use.

If you’re not using the Kano OS, you’ll also need to tweak your Raspberry Pi’s video settings to get the screen working. I found that using Adafruit’s configuration settings for their 10.1 ...

If you happen to have a Raspberry Pi and a small monitor lying around, this is a DIY smart kitchen display project.

The official Raspberry Pi display and case make for a nice, compact package. Today I find out what it's like to assemble, connect, and use.