To save some energy and extend the lifespan of your recovery, file restoration, work efficiency, you can dim the display helping users find the applicable solutions based on their specific.
Please keep reading to understand brightness" on the right panel.
The brightness hotkeys on a Mac will only allow you to adjust an external display's brightness if that external display was made by Apple. Unlike on Windows, you can't customize the exact display brightness levels your Mac uses when it's plugged in and unplugged here. If you're using a third-party display, you'll need to adjust the brightness on the display.
