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how to adjust brightness on mac mini, firefox, os hi sierra 10.13.6
went to preferences, display, and no brightness slider is shown
All Replies (1)
The screen brightness is a Mac setting, not something that will appear in the Firefox settings page. The following websites may be helpful for you:
- Change your display’s brightness - Apple Support
- How to Adjust Your Mac’s Screen Brightness, Manually and Automatically - How-To Geek
Hope this helps.