![brightness controller for windows 7 brightness controller for windows 7](https://downloads.guru/i/win10/Smart-Brightness-Controller_ico128b.png)
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. 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. 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. Though we’d highly recommend that if you haven’t still, you should upgrade from Windows 7 to Windows 10. The Windows Mobility Center, which you show in the screenshot in your question, is only available for laptops. Some laptops require that you use the Fn key in combination with particular F keys to access the hardware features, others do not. Don’t go by its name, it works well on Windows 8.1 and even on Windows 7. On laptops, brightness is usually controlled by the function keys (F keys). For more info, see Adaptive brightness and contrast in Windows. This is a simple and smart slider which helps you adjust monitor brightness. 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.) Keep reading Tweak Library for more such content.Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. You can try them out and let us know if you have any queries or suggestions. If in case, this doesn’t fix, there are other ways listed in the article. Conclusion:Īlthough updating the display driver using either manual method or using Smart Driver Care will fix the error of brightness not working. This should solve your problem of brightness not working. Then set FeatureTestControl DWORD’s value data to 0000ffff.Click System > ControlSet001 > Control.Open Run window using Win+R keys together. Type in regedit to open Registry Editor.To continue updating the registry, follow the steps below: If not done correctly, serious problems may occur. Note: Please note that updating Registry involves serious changes to your PC. Last method in our guide to fix brightness not working on Windows is through Registry update. Now, head to the Action tab at the top of the Device Manager.Right-click on it to check if it is enabled.
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Now, type in devmgmt.msc to open the Device Manager on Windows. Open the Run window by pressing Win+R key together.If the last method doesn’t work, you can try enabling the PnP monitor. Change the available options to the desired settings.On the new window, click on Display to open further options.Then, click on Change advanced power settings.On the next screen, you’ll see Change plan settings highlighted in blue colour.From the Start menu or Search box, open Control Panel.To enable Adaptive Brightness on Windows, follow these steps below: Not only this, Smart Driver Care gives you the ability to backup and restore backed up drivers in case something happens accidentally. Or you can choose any particular driver and click on Update Driver located beside it.Click on Update All to update all of them at once.You’ll then see a list of corrupted and outdated drivers.Click on it and wait for the scan to finish.