Turn Off the Lights for Desktop is a powerful, helpful app to dim your whole desktop and protect your eyes at night. Turn Off the Lights for Desktop allows you to work, play in a dark environment. Secrets is an open source PrefPane that lets you set all sorts of hidden options for all sorts of programs on your Mac. Update: The main site is down and the project looks to be dead. Here is the Google Code Archive if you still want to use the vanilla version.

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Using System Preferences 1. Go to the Apple menu on the top left of your screen and choose.

Usually ordinary display light on mac screen is blue and by default, it remains active unless you made any manual changes. That’s fine in the day time but when you are working on your Macbook in the dark or at night then definitely blue light filtering is a good option. It reduces strains you your eyes and also minimizes the unnecessary brightness.

Thanks for its prebuilt feature of Night Shift available on Macbook Pro and Air that let users activate the night shift mode any time. You can set it as per your preferred time to automatically activate it or otherwise you use it manually. We are discussing everything related to turning off the blue light on Mac by enabling night shift mode.

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How to Turn Off Blue Light on Mac

There are different ways with which you can use a Blue light filter or enable night mode which we are going to discuss in this topic, but before that, we also list some of the general information regarding Night Shift mode.

What is Night Shift Mode?

Night shift mode is an inbuilt feature on Mac that let manages screen temperature according to day or night time. It automatically detects your current geographical location and accordingly set the cool or warmer screen temperature. If it is night time, the screen will be warmer as we say it blue light filters and on the day time, it gets to turn off. But with manual turning it ON, you can set the warmer screen temperature all day.

Importance of Night Shift Mode?

There is a huge importance of Night Shift while you are working at low light or in the night time. It is useful to keep your vision as normal and warmer screen reduces the strain on eyes. It is sometimes also recommended that even if you are using MacBook at home, keep night shift mode on as it does not have any negative effect even using at day time.

Method 1: Using System Preferences

1. Go to the Apple menu on the top left of your screen and choose System Preferences.

2. Go to Displays option.

3. Click on the Night Shift tab, customize the different options as per your requirement.

• Schedule: You can choose among Off if you don’t require any scheduling, custom to set your specific timings, and Sunset to sunrise according to geographic location.
• From: If you have chosen specific timings, choose the time from where you need to turn on and turn off the night mode.
• Manual: If you have just set it to specific timing and still require night mode until tomorrow then tick this option.
• Colour Temperature: Drag the cursor how much warmer screen you require.

4. Exit the window and you are all set to the night shift mode.

This method is usually recommended if you require extra changes with the Night Shift mode, otherwise, there is a shortcut with which you can easily enable Night Shift with just a single click.

Method 2: Shortcut to Night Shift

If you are just looking to enable Night Shift, then drag your cursor to the extreme top-right icon (shortcut icon), click on it and on the top of the list, Night Shift is there, turn it ON.

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With this, you can turn Night Mode on with all the default setting done before. Otherwise, you have to go with method 1 for manual changes.

Method 3: Using Siri to activate Night Shift Mode

Siri is another option to Enable Night Shift Mode on your MacBook. If you have a touch display panel, click on Siri and say “enable Night Shift mode”. It turns the night shift mode ON.

Similarly using all these three methods you can disable Night Shift mode anytime.

If you still facing any trouble or errors while using any of the above methods, let us know in the comment section, we are always happy to help you.

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We hope you find this tutorial informative and successfully turn ff blue light on MacBook. For the latest tech tutorials and software deals, follow us on Facebook, Twitter.

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Backlit keyboards are now so common that it’s difficult to remember a time before all keyboards had backlights. The implementation of backlighting in keyboards varies, but Apple notebooks tend to have an LED for each key, which means the brightness is consistent across the keyboard. Other keyboards may have just a few LEDs under the keys, which means some keys are more illuminated than others.

Why is keyboard backlighting useful?

Your Mac’s keyboard light in low-light situations, such as when you’re using your MacBook in a dimly lit room, lecture theatre, or conference room. It can be difficult to see the keys in those settings, so backlit keyboards shine an LED through the keycap, allowing you to identify all the keys on the keyboard. Without backlighting, you’d be typing almost blind and make more mistakes.

What are the problems with backlit keyboards?

The biggest issue is battery use. Although the LEDs used to backlight keyboards on Macs use very little power, there are a lot of them and together they can make a difference. If you’re running very low on battery, it could be enough to mean you run out before the end of a lecture, meeting, or Netflix movie.

There could also be an issue that the backlight on a keyboard causes a distraction for others in the room, though the brightness of Mac’s screen is likely to be more of an issue.

How to turn the keyboard light off on your Mac

1. Click on the Apple menu and choose System Preferences.
2. Select the Keyboard pane.
3. Uncheck the box next to ‘Adjust keyboard brightness in low light’
4. Press F5 repeatedly (or fn and F, or use the relevant button on the Touch Bar).
5. Stop when the backlight is off.
6. Quit System Preferences.

It’s important to uncheck the box next to the ‘Adjust keyboard brightness in low light’ box before you tap F5, otherwise it will just come back on again.

How to turn on the keyboard light on your Mac

1. Open System Preferences from the Apple menu.
2. Choose the Keyboard pane.
3. Check the box ‘Adjust keyboard brightness in low light’
4. Press F6 (or fn and F6, or the relevant button on the Touch Bar) repeatedly until the backlight comes back on.
5. Quit System Preferences

If you’re trying to light up the keyboard on your Mac or turn up the level and get a message or logo saying keyboard lighting is locked, it may be that the light sensor has picked up a bright light somewhere in the room. Try changing position or moving to a different room.

If the keyboard light doesn’t work properly

Reset the SMC

The System Management Controller (SMC) in your Mac controls a number of hardware functions and low-level power management. So when something goes wrong and none of the usual fixes work, it’s worth resetting it. The backlighting on the keyboard is one feature that’s controlled by the SMC. Before you reset the SMC, however, you should try one more thing:

1. Unplug the power adapter from both your MacBook and the electrical outlet.
2. Go to the Apple menu and choose Shutdown.
3. Once your Mac has shut down, remove and re-insert the battery if it’s removable.
4. Press the power button to start your Mac.

If that doesn’t work, here’s how to reset the SMC on Macs that don’t have the T2 security chip.

If the battery is non-removable

1. Shutdown your Mac from the Apple menu.
2. Press Shift-Control-Option on the left side of the keyboard, then press the power button (or TouchID button if you have a Mac with a Touch Bar) at the same time.
3. Hold all the keys and the power button for ten seconds.
4. Release all the keys.
5. Press the power button again to turn on your Mac.

If the battery is removable

1. Shutdown your Mac.
2. Remove the battery.
3. Press and hold the power button for five seconds.
4. Reinsert the battery.
5. Press the power button again to start up your Mac.

If your Mac has the Apple T2 security chip

1. Shutdown your Mac.
2. Press and hold the power button for ten seconds.
3. Release the power button and wait a few seconds.
4. Press the power button again to start up your Mac.

If that doesn’t work, try this:

1. Shutdown your Mac.
2. Press and hold the right Shift key, the left Option key, and the left Control key for seven seconds. Your Mac might turn on and show the Apple logo on its display. Keep holding those keys and press and hold the power button for another seven seconds. Your Mac will turn off if it turned on earlier.
3. Release all the keys and the power button.
4. Press the power button again to turn on your Mac.

You might have discovered while you were trying to fix the backlighting problem that your keyboard isn’t as responsive as it should be. This can happen for a number of reasons, but there is a straightforward fix, using a tool I use a lot – CleanMyMac X. Here’s how you do it.

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1. Download, install and launch CleanMyMac X.
2. Choose Optimization from the sidebar
3. Go through each of the options, checking Login Items and Launch Agents for anything you don’t need. If you find anything, check the box next to it and click Remove. Do the same with Hung Applications.
4. Choose Maintenance and go through the options, reading descriptions.

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The backlight on your Mac’s keyboard is a very useful tool. So it’s frustrating when it doesn’t work as it’s supposed to. However, there are solutions and you should work your way through them above to try and fix it. If all else fails, contact Apple Support. And don’t forget to try the tip at the end.