Soothe your eyes and maintain better sleep rhythms using the Night Color blue light filter.
Reduce eyestrain while using your computer with Night Color.
Please read the disclaimer before proceeding. We review and update guided solutions regularly. If you have suggestions or requests, please write support@kfocus.org.
IMPORTANT: Night Color has been known to cause screen flicker when running graphically-demanding apps or games with an Intel GPU. If this happens to you, turn off Night Color and then restart the app or game. In our experience, this usually eliminates flicker.
1. Right-click on the chevron next to the system tray.
2. Configure the system tray to always show the Night Color Control icon.
3. Right-click on the system tray icon to configure Night Color.
4. Change the time and magnitude of the effect as desired. IMPORTANT: Toggle off the Activate Night Color switch to disable Night Color. Do this to avoid flicker with certain apps, as discussed above.
5. Hover over the icon to see status.
Q: My screen flickers when playing games on Intel graphics. What could be the issue?
A: Turn OFF Night Color in the system tray, then restart the game. We have found that this eliminates flicker in most cases.
This is a partial revision history. See the git repository for all entries.
2025-04-19 274c0ff1 Update grammar and content per audit2025-04-18 e81c4d16 Update language2024-08-19 57a2389d Add white theme2024-08-02 8a35c343 Update images2024-07-28 ee7b4601 Update metadata content, collapsable sections, lightbox2024-07-26 7814a97d Sync primary images between guided solutions slideshow and articles2023-11-18 e770b1c6 Add search and help bar2023-02-22 30d99117 Add help for Night-Mode-induced flicker2021-10-10 5728326e Reformat to 2-column2021-09-22 dc862884 Update link and headline colors2021-08-23 681261b4 Review and update codeblocks2020-06-10 c4ed9299 Restructure layout2020-06-07 3f2b93aa First publicationWe try hard to provide a useful solution validated by professionals. However, we cannot anticipate every situation, and therefore cannot guarantee this procedure will work for your needs. Always backup your data and test the solution to determine the correct procedure for you.
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