1. Every major version of Mac OS X macOS has come with a new default wallpaper. As you can see, I have collected them all here. While great in their day, the early wallpapers are now quite small in the world of 5K and 6K displays. If you want to see detailed screenshots of every release.
2. An Apple Computer running OS X 10.4 or later: This tutorial was produced in OS X 10.9 Mavericks, and some of the actions listed in here will not be available in older versions. The UI has had many changes since the original release.
3. One of the easiest ways to move the mouse in Mac OS X and other operating systems is to use a Java Robot. It can also simulate other events. For example, the mouse down or even a key press. However, it moves the pointer to a given screen coordinates. So the only thing you need to do is to convert your physical units into appropriate coordinates.
4. Use the “Display Values” sub-menu to change how Digital Color Meter displays color values. Moving over to the the “Color” menu, you can see you have the option to copy your color values as text “Shift + Cmd + C” or as an image “Option + Cmd + C”.

Apple has offered a Safe Boot option ever since OS X Jaguar (10.2). Safe Boot can be a crucial troubleshooting step when you're having problems with your Mac.These can be problems with starting up your Mac or issues you come across while using your Mac, such as having apps not start or apps that seem to cause your Mac to freeze, crash, or shut down.

Thanks for installing f.lux.

Your f.lux installer is a .zip file - it should be in your Downloads folder. Install f.lux by double-clicking it.

Once f.lux is installed and running, you should see the f.lux Preferences window appear. Here, you can enter your location and set your usual wake time. f.lux uses this information to create a custom lighting schedule for you.

You can open up Preferences any time to view and change your f.lux settings.

The f.lux menu can always be found to the left of your system clock.

f.lux Preferences

Daytime is whenever the sun is up in your location. By default, f.lux is at 6500K during the daytime, and does not change your screen’s color.

If you prefer very warm daytime colors, select Options> Expanded Daytime Settings from the f.lux menu.

Sunset is when the sun has set, but you are awake. If you are an early riser, this is also your pre-sunrise morning setting.

Sunset colors are designed to work well with normal warm white room lighting. If you usually wake up before sunrise, you might prefer a more moderate (4500K or brighter) Sunset setting.

Bedtime is the time before sleep when you’re getting ready for bed (or already in it).

The Bedtime setting changes with your wake time. It removes as much alerting light from your screen as possible so that you can feel your body growing tired. You can go to sleep anytime with f.lux - whenever you feel sleepy.

f.lux presets

The f.lux preferences window lets you change and preview settings. There are several presets you can choose from. f.lux will default to the Recommended colors preset.

Recommended colors: Use these for the first week while you get used to the change of colors and discover how you like to use f.lux.

Custom colors: Custom color control, click the time of day you want to change and then drag the slider to your preferred color temperature.

Classic f.lux: At sunset, f.lux will fade to 3400K, and turn off at sunrise. For large screens this setting is probably not strong enough to remove all alerting light.

Working late: for extreme night owls, removes solar timing and gives 14 hours of bright waking light.

Location

For most machines, f.lux can automatically detect your location with OS X Location Services.

You can also use postal codes (US only), the name of a nearby city, or map coordinates (find them on the map at justgetflux.com/map.html).

If you’ve been traveling, you might need to update your location. Make sure your computer’s internal Timezone settings are correct under System Preferences > Date & Time > Time Zone

Options

Fast transitions: 20 second fade at sunrise and sunset. When unchecked, f.lux changes gradually over one hour.

Sleep in on weekends: For people who want brighter light later on Friday and Saturday nights (and sleep in on Saturday and Sunday mornings)

Extra hour of sleep (ages 13-18): Starts Bedtime one hour earlier for teens and other people who need a little more sleep

Expanded daytime settings: Warmer daytime settings (to 1900K) for people who want to reduce eyestrain or match office lighting

Backwards alarm clock: Calculates how many hours remain until your wake time and gives reminders every thirty minutes when it gets very late

Dim on disable: Gentle fade on disable so it hurts less to check colors

Color Effects

Darkroom: Removes 100% of blue and green light and inverts colors. Darkroom mode also preserves night vision while using a screen.

Movie mode: Lasts 2.5 hours. Preserves colors and shadow detail for watching movies with reduced alerting light.

OS X Dark theme at sunset: Uses the normal theme during the day and switches to dark theme (dock and menu bar) each night at sunset. Disabling f.lux will also disable dark theme.

Disable

For an hour: Disables f.lux for one hour and returns your screen to its normal setting.

Until sunrise: Disables f.lux until your local sunrise.

For current app: Open the app you want to disable f.lux for, then choose this option to disable f.lux whenever a particular app becomes active. You can re-enable f.lux later by opening the app and unchecking this option.

If you often check colors after dark, you might like to use the Dim On Disable setting under Options.

About f.lux

This is where to find what version you have installed, see our contact information, and get a measurement of your screen’s current brightness.

Quit f.lux

This will quit the f.lux process and remove the f.lux icon from your menubar. Always quit f.lux before uninstalling or deleting files.

Troubleshooting: Answers to some common OS X questions

Installing

1. Click the f.lux Mac download link.
2. Click the zip file to expand it
3. Double click the 'Flux' application in your Finder window.
4. Enter your location and wake time

Uninstalling

1. Go to the f.lux Settings panel (to the left of your system clock)
2. Choose 'Quit f.lux'
3. In Finder, search for 'Flux' and select and delete the f.lux app by dragging it to the trash

Uninstalled but can’t delete files

1. Open Activity Monitor and select Flux
2. Choose Force Quit
3. Delete f.lux app by dragging it to the trash

Quit f.lux but the color still remains

Rebooting often fixes any problems with color tint. But if that does not help you, try the following:

1. Open Activity Monitor and verify there is no 'Flux' process running
2. In Finder, open System Preferences> Displays> Color
3. Delete the f.lux profile
4. Reboot if needed

Other video display issues

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Some Macbooks were recalled for problems with video hardware. You can check if your model is on the list at: https://www.apple.com/support/macbookpro-videoissues/

Flashing

On dual-GPU machines we write an ICC profile in order to make the “switch” between video cards more seamless. In some older machines, and every so often, this doesn’t work so well. You can use gfx.io to lock to one card, or to read about how this system works and disable if you want, check out our f.lux profile + prefs article.

If you still have questions about f.lux or need more help, you can check our FAQ or ask a question in our support forum.

Thanks for installing f.lux.

Your f.lux installer is a .zip file - it should be in your Downloads folder. Install f.lux by double-clicking it.

Once f.lux is installed and running, you should see the f.lux Preferences window appear. Here, you can enter your location and set your usual wake time. f.lux uses this information to create a custom lighting schedule for you.

You can open up Preferences any time to view and change your f.lux settings.

The f.lux menu can always be found to the left of your system clock.

f.lux Preferences

Daytime is whenever the sun is up in your location. By default, f.lux is at 6500K during the daytime, and does not change your screen’s color.

If you prefer very warm daytime colors, select Options> Expanded Daytime Settings from the f.lux menu.

Sunset is when the sun has set, but you are awake. If you are an early riser, this is also your pre-sunrise morning setting.

Sunset colors are designed to work well with normal warm white room lighting. If you usually wake up before sunrise, you might prefer a more moderate (4500K or brighter) Sunset setting.

Bedtime is the time before sleep when you’re getting ready for bed (or already in it).

The Bedtime setting changes with your wake time. It removes as much alerting light from your screen as possible so that you can feel your body growing tired. You can go to sleep anytime with f.lux - whenever you feel sleepy.

f.lux presets

The f.lux preferences window lets you change and preview settings. There are several presets you can choose from. f.lux will default to the Recommended colors preset.

Recommended colors: Use these for the first week while you get used to the change of colors and discover how you like to use f.lux.

Custom colors: Custom color control, click the time of day you want to change and then drag the slider to your preferred color temperature.

Classic f.lux: At sunset, f.lux will fade to 3400K, and turn off at sunrise. For large screens this setting is probably not strong enough to remove all alerting light.

Working late: for extreme night owls, removes solar timing and gives 14 hours of bright waking light.

Location

For most machines, f.lux can automatically detect your location with OS X Location Services.

You can also use postal codes (US only), the name of a nearby city, or map coordinates (find them on the map at justgetflux.com/map.html).

If you’ve been traveling, you might need to update your location. Make sure your computer’s internal Timezone settings are correct under System Preferences > Date & Time > Time Zone

Colorful Moves Mac Os 11

Options

Fast transitions: 20 second fade at sunrise and sunset. When unchecked, f.lux changes gradually over one hour.

Sleep in on weekends: For people who want brighter light later on Friday and Saturday nights (and sleep in on Saturday and Sunday mornings)

Extra hour of sleep (ages 13-18): Starts Bedtime one hour earlier for teens and other people who need a little more sleep

Expanded daytime settings: Warmer daytime settings (to 1900K) for people who want to reduce eyestrain or match office lighting

Backwards alarm clock: Calculates how many hours remain until your wake time and gives reminders every thirty minutes when it gets very late

Dim on disable: Gentle fade on disable so it hurts less to check colors

Color Effects

Darkroom: Removes 100% of blue and green light and inverts colors. Darkroom mode also preserves night vision while using a screen.

Movie mode: Lasts 2.5 hours. Preserves colors and shadow detail for watching movies with reduced alerting light.

OS X Dark theme at sunset: Uses the normal theme during the day and switches to dark theme (dock and menu bar) each night at sunset. Disabling f.lux will also disable dark theme.

Disable

For an hour: Disables f.lux for one hour and returns your screen to its normal setting.

Until sunrise: Disables f.lux until your local sunrise.

For current app: Open the app you want to disable f.lux for, then choose this option to disable f.lux whenever a particular app becomes active. You can re-enable f.lux later by opening the app and unchecking this option.

If you often check colors after dark, you might like to use the Dim On Disable setting under Options.

About f.lux

This is where to find what version you have installed, see our contact information, and get a measurement of your screen’s current brightness.

Quit f.lux

Colorful Moves Mac Os X

This will quit the f.lux process and remove the f.lux icon from your menubar. Always quit f.lux before uninstalling or deleting files.

Troubleshooting: Answers to some common OS X questions

Installing

1. Click the f.lux Mac download link.
2. Click the zip file to expand it
3. Double click the 'Flux' application in your Finder window.
4. Enter your location and wake time

Uninstalling

1. Go to the f.lux Settings panel (to the left of your system clock)
2. Choose 'Quit f.lux'
3. In Finder, search for 'Flux' and select and delete the f.lux app by dragging it to the trash

Uninstalled but can’t delete files

1. Open Activity Monitor and select Flux
2. Choose Force Quit
3. Delete f.lux app by dragging it to the trash

Quit f.lux but the color still remains

Rebooting often fixes any problems with color tint. But if that does not help you, try the following:

1. Open Activity Monitor and verify there is no 'Flux' process running
2. In Finder, open System Preferences> Displays> Color
3. Delete the f.lux profile
4. Reboot if needed

Other video display issues

Colorful Moves Mac Os Catalina

Some Macbooks were recalled for problems with video hardware. You can check if your model is on the list at: https://www.apple.com/support/macbookpro-videoissues/

Flashing

On dual-GPU machines we write an ICC profile in order to make the “switch” between video cards more seamless. In some older machines, and every so often, this doesn’t work so well. You can use gfx.io to lock to one card, or to read about how this system works and disable if you want, check out our f.lux profile + prefs article.

If you still have questions about f.lux or need more help, you can check our FAQ or ask a question in our support forum.