Windows 11. If you have Dynamic Lighting-compatible devices (such as LED-lit keyboards, mice, case lighting, or other devices), you can control them both individually or as a group through Windows Settings, by selecting Start > Settings > Personalization > Dynamic Lighting.

Content adaptive brightness control in Windows. Windows 11. Some Windows 11 PCs can automatically adjust the screen brightness and contrast based on content that’s displayed on your built-in screen. For example, if you’re watching a video that has a dark scene, followed by a brighter scene (for example, one that shows a bright sunny day ...

Calibrate your built-in display for HDR content in Windows. Display requirements for HDR video in Windows. HDR settings in Windows. Learn how to calibrate your HDR display by using the Windows HDR Calibration app that you can download from the Microsoft Store.

Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. (If the slider isn't there, see the Notes section below.) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions.

Select Settings > System > Display > Night light. If your night light toggle is grayed out, you may need to update your display driver. See Update drivers manually in Windows. Turn on Schedule night light. Then, either select Sunset to sunrise, or select Set hours and enter custom times for the night light to turn on and off.

reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{89F4137D-6C26-4A84-BDB8-2E5A4BB71E00} /f. rmdir /s /q "%ProgramFiles%\Microsoft Silverlight". rmdir /s /q "%ProgramFiles(x86)%\Microsoft Silverlight". Click File and Save As and type CleanSilverlight.cmd.

Screen flickering in Windows 11 is usually caused by a display driver issue or incompatible app. To determine whether a display driver or app is causing the problem, check to see if Task Manager flickers. Then, based on that information, you'll need to update, rollback, or uninstall your display driver or update or uninstall the app.

More help. If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors. Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Windows 7 Windows 8.1 Windows 10. Use color management to assign different color profiles to different display devices, creating a uniform color experience across all of your devices. Usually Windows handles this on its own, but if you need to install and assign a custom color profile, here's how:

Windows 11 Windows 10. To adjust power and sleep settings in Windows 11, select Start > Settings > System > Power & battery > Screen and sleep. Screen: Select how long you want your device to wait before turning the screen off when you're not using your device.