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(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,XXX) Change screen brightness from PowerShell Remember to replace ‘XXX’ with an integer between 1 and 100 (percentage of the brightness level). Let us now use the following cmdlet to change its brightness level using PowerShell. To get your screen’s brightness level in PowerShell, run the following command: Get-Ciminstance -Namespace root/WMI -ClassName WmiMonitorBrightness | Select -ExpandProperty "CurrentBrightness" Get screen brightness level using PowerShellĪs you can see in the image above, the current brightness level is 75%. Not only that, but you can also get the current brightness percentage level of your screen before adjusting it. If you are a PowerShell user, then you can use it to change the screen’s brightness as well. Adjust Screen Brightness using Windows PowerShell
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You can use this command to instantly change your screen’s brightness level to any percentage between 1 and 100. Running the command in the example above will change the screen’s brightness level to 75%. WMIC /NAMESPACE:\\root\wmi PATH WmiMonitorBrightnessMethods WHERE "Active=TRUE" CALL WmiSetBrightness Brightness=XXX Timeout=0 Change screen brightness using Command Prompt To set your screen’s brightness using the Command Prompt, use the following command while changing ‘XXX’ with an integer between 1 and 100 (percentage of the brightness level). The Windows Management Instrumentation Command Line (WMIC) is a built-in utility in the Windows operating system that allows you to query, manage, and monitor different systems and network devices on your computer. You can change the brightness of your screen by providing the required brightness percentage in a WMIC command. The Command Prompt is a handy command line tool, available in the Windows operating system that almost all users can use to perform both administrative and standard tasks adjusting the screen’s brightness is one of them. Closing Thoughts Adjust Screen Brightness using Command Prompt.Adjust Screen Brightness using Windows PowerShell.Adjust Screen Brightness using Command Prompt.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions. In Device Manager, select Display adapters, then select the display adapter.
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In the search box on the taskbar, type Device Manager, and then select Device Manager from the list of results. If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. To find the brightness slider in earlier versions of Windows 10, select Settings > System > Display, and then move the Change brightness slider to adjust the brightness. The Brightness slider appears in action center in Windows 10, version 1903. To change the brightness on an external monitor, use the buttons on it.
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You might not see the Change brightness for the built-in display slider on desktop PCs that have an external monitor. Even if you use it, you can still move the Change brightness for the built-in display slider to fine-tune the brightness level. This automatic setting helps make sure your screen is readable wherever you go. Under Brightness and color, look for the Change brightness automatically when lighting changes check box, and then select it to use this feature. To find out if your PC supports this, select Settings > System > Display. Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. (If the slider isn't there, see the Notes section below.) Select action center on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. For more info, see Adaptive brightness and contrast in Windows. Some Windows PCs can automatically adjust the screen brightness and contrast based on content that’s displayed on your built-in screen. You might also see another check box displayed: Help improve battery by optimizing the content shown and brightness. Even if you use it, you can still move the Brightness slider to fine-tune the brightness level for a built-in display. Select Brightness, look for the Change brightness automatically when lighting changes check box, and then select it to use this feature. To find out if your PC supports this, select Settings > System > Display. (If the slider isn't there, see the Notes section below.) Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness.