EDID DisplayID Writer
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Here is a neat tool for writing to the monitor EEPROM. You don't need to be Administrator. It comes with full source code: [EDID DisplayID Writer](https://www.monitortests.com/forum/Thread-EDID-DisplayID-Writer) Fun fact: The Windows operating system makes a copy/cache of your EDID in the registry when you first connect your monitor. You could store your favorite poetry in your monitor EEPROM and probably still have a functioning monitor. I wouldn't recommend doing that. Backup your EDID if you do. Fun fact 2: Most monitors block writing at the hardware level. But some monitors fake the "write-only" in software and can be put into "service mode" to enable writing. If you ever find yourself in a position where you wanted to block writing. You could build an [HDMI firewall](https://git.cuvoodoo.info/kingkevin/board/src/branch/hdmi\_firewall/README.md).