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- MacOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy.
- Begin by restarting your Mac. When your computer is about ready to pull up the black loading screen, press the Option + Command + P + R keys simultaneously. Keep holding those four keys down until.
Now anytime you want to switch between the Mac themes of Dark Mode and Light Mode you can just open up Spotlight with Command + Spacebar, type in “Toggle Light / Dark” (or whatever you named the Automator app) and hit return. The interface theme will immediately change. Repeat again to switch back. In responce to those suggesting using a toothpick; that would simply not solve the problem. It may mutilate the red light, but will not fix the audio. This is a common software issue on Mac OS X 10.7.5 and earlier versions. Unfortunately there was not software hotfix ever released.
Studies have shown that exposure to bright blue light in the evening can affect your circadian rhythms and make it harder to fall asleep. Night Shift uses your computer's clock and geolocation to determine when it's sunset in your location. It then automatically shifts the colors in your display to the warmer end of the spectrum. In the morning it returns the display to its regular settings.
How to set up Night Shift
Make sure that your Mac meets the system requirements for Night Shift, then follow these steps:
- Choose Apple menu > System Preferences.
- Click Displays.
- Click the Night Shift tab.
Schedule: Create a custom Night Shift schedule or have Night Shift turn on automatically from sunset to sunrise.
Manual: Control Night Shift manually.
- If Night Shift is off, select the checkbox to turn Night Shift on until 7 a.m. If you're using a schedule, Night Shift automatically turns off at the scheduled time.
- If Night Shift is on, deselect the checkbox to turn Night Shift off. If you're using a schedule, Night Shift turns on again at the scheduled time.
Color Temperature: Drag the slider to make the color temperature more or less warm when Night Shift is on. Warmer color temperatures show more yellow and less blue.
System requirements for Night Shift
![Remember Remember](https://user-images.githubusercontent.com/35061229/80310372-9889a800-87da-11ea-99e7-a20ef504dc07.png)
Night Shift requires macOS Sierra 10.12.4 or later and one of these Mac computers, using the built-in display or the displays listed:
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- MacBook models from early 2015 or later
- MacBook Air models from mid 2012 or later
- MacBook Pro models from mid 2012 or later
- Mac mini models from late 2012 or later
- iMac models from late 2012 or later
- Mac Pro models from late 2013 or later
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- Apple Pro Display XDR
- Apple LED Cinema Display
- Apple Thunderbolt Display
- LG UltraFine 5K Display
- LG UltraFine 4K Display
Learn more
- How to use Night Shift on your iPhone, iPad, or iPod touch.
- You can use True Tone and Night Shift at the same time.