![]() You can use the "Manual" setting in System Preferences to force Night Shift to turn on, or you can use the Notification Center, which is quicker. If you want to manually enable or disable Night Shift, there are two ways to do it. In the same section System Preferences that's used to turn Night Shift on, there's also an option to adjust the color temperature of the feature to your liking.īy default, the temperature is set to the middle, but if you drag the slider to the left, you'll get more blue light, and if you drag it to the right, you'll get a deeper yellow shade with less blue light.Īpple warns that using the warmer end of the spectrum could affect the appearance of some onscreen motion. With a custom setting, it will turn on and off at the same time each night based on the time that you choose. The "Custom" option lets you choose a specific start and end time for Night Shift to turn on. This option requires your location to be enabled in Security & Privacy Preferences so your Mac knows where you are in the world. It's based on your local sunset and sunrise times. From the "Schedule" option, choose either "Sunset to Sunrise" or "Custom."Īs the name suggests, the "Sunset to Sunrise" option causes Night Shift to turn on automatically each night when the sun sets and turn off when the sun rises.There are three tabs in this menu: Display, Color, and Night Shift.Click on the Apple icon in the menu bar and select System Preferences.The Night Shift options are located in the display section of System Preferences. Night Shift's controls can be a little bit difficult to find when you go to use the feature for the first time. Copy your newly-edited CoreBrightness.Subscribe to the MacRumors YouTube channel for more videos. Save the file in Xcode (File > Save) and exit.You will need to find the exact model number of your Mac and make the adjustment in Xcode accordingly. In my case, I needed to allow my early 2011 MacBook Pro (MacBookPro8,2) to use Night Shift.I've color-coded the model numbers with the corresponding hex digits above: These numbers tell the system which Mac models can used Night Shift.Once the hex code appears, press Command + F to open the Find tool.Secondary/right-click CoreBrightness at the top of that column and choose Open As > Hex. A navigation column will appear on the left-hand side. In Xcode, press Shift + Command + J on your keyboard. ![]() ![]() framework folder, choose the CoreBrightness icon at the top that looks like a shortcut. File > Open Browse to where you just saved amework from within that. In Xcode, open the copy of amework that you just created.Make a copy of the entire amework folder (save it to your desktop or a similar place).Navigate to System/Library/PrivateFrameworks/ Disable System Integrity Protection by booting into Recovery mode (hold down Command + R during boot-up), opening Terminal, and typing csrutil disable.You will need to install Xcode or any basic hex editor. The process is a bit technical, so I created these step-by-step instructions to make it easier to follow. I followed the steps in the link and it worked perfectly on my early 2011 MacBook Pro. ![]()
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