Solve the problem of Windows 10 brightness control not working

  • In Windows 10, you can increase or decrease screen brightness depending on the environment and lighting.
  • Some users have reported that Windows 10’s brightness control doesn’t work.
  • This problem is usually caused by incorrect, incompatible, outdated, or faulty drivers.
  • In this guide, we will present different methods to solve the brightness control problem.
  • A faulty GPU display driver installed on your computer may be the reason why you can’t adjust the brightness in Windows 10.

 

Are you tired of squinting at your computer screen or struggling to dim its brightness? Look no further! In this article, we will explore the frustrating issue of Windows 10 brightness control not working and provide you with effective solutions to shed some light on your display woes. So, let’s dive right in and brighten up your Windows 10 experience!

Pre-Requisite for Windows 10 Brightness Control

To fix the Windows 10 Brightness Control not working issue, there are a few pre-requisites you need to check. First, make sure your PC’s display drivers are up to date. You can do this by going to the manufacturer’s website and downloading the latest driver for your graphics card.

Next, check if your PC has any buggy GPU display drivers. If so, update them immediately to ensure proper functionality of the brightness control.

Additionally, ensure that you have the latest version of Windows 10 installed on your machine.

Once these pre-requisites are met, you can proceed to the methods outlined in the article to fix the brightness control problems. Remember to adjust the brightness using the monitor’s brightness control, rather than relying solely on the Windows settings.

By following these steps, you should be able to regain control over the brightness adjustment on your Windows 10 PC.

Update Display Drivers for Windows 10 Brightness Control

To fix Windows 10 brightness control not working, you may need to update your display drivers. Outdated or buggy GPU display drivers can cause issues with adjusting the brightness levels on your monitor. Here’s how you can update your drivers:

1. Press the Windows key + X and select “Device Manager.”
2. Expand the “Display adapters” category.
3. Right-click on your graphics card and select “Update driver.”
4. Choose the option to search for drivers automatically.
5. If Windows doesn’t find any updates, you can visit the manufacturer’s website to download the latest drivers.
6. Install the downloaded drivers by following the on-screen instructions.
7. After the installation is complete, restart your computer.

Updating your display drivers should resolve any issues with brightness control on your Windows 10 machine. If you’re still experiencing problems, you can try other methods such as adjusting the screen brightness through the display settings or using keyboard shortcuts.

Enable Adaptive Brightness on Windows 10

To enable adaptive brightness on Windows 10 and fix the brightness control not working issue, follow these steps:

1. Open the Start menu and type “Control Panel.” Press Enter to open it.
2. In the Control Panel, click on “Power Options.”
3. Click on “Change plan settings” next to your selected power plan.
4. Click on “Change advanced power settings.”
5. In the Power Options dialog box, locate and expand “Display.”
6. Expand “Enable adaptive brightness” and set it to “On” for both “On battery” and “Plugged in” options.
7. Click “Apply” and then “OK” to save the changes.

By enabling adaptive brightness, Windows 10 will automatically adjust the brightness levels based on the lighting conditions in your environment. This feature is particularly useful for laptop users, as it helps conserve battery power and offers a more comfortable viewing experience.

Note: If the brightness control still doesn’t work after enabling adaptive brightness, you may need to update your display driver. Visit the manufacturer’s website or use Windows Update to download and install the latest driver for your graphics card.

Remember to adjust the screen brightness manually if adaptive brightness doesn’t suit your preferences or if you’re working in a dark environment.

python
import ctypes

def set_brightness(brightness):
# Set the display brightness using the Windows API
try:
brightness = max(0, min(brightness, 100)) # Ensure brightness is within the valid range
ctypes.windll.kernel32.SetThreadExecutionState(0x80000002) # Keep the display on
ctypes.windll.winmm.SetMonitorBrightness(ctypes.c_void_p(-1), brightness) # Set the brightness
return True
except Exception as e:
print(f"Error setting brightness: {e}")
return False

# Example usage
new_brightness = 50 # Set the desired brightness level (0-100)
if set_brightness(new_brightness):
print(f"Brightness set to {new_brightness}%")
else:
print("Failed to set brightness")

Please note that this code snippet assumes you have the necessary permissions to modify the brightness settings. It also uses the Windows API, so it may only work on Windows platforms. Additionally, it’s important to run this code with the appropriate privileges and ensure you have the necessary libraries installed.

If you’re experiencing issues with brightness control on Windows 10, it’s recommended to check for driver updates, verify that the display drivers are properly installed, and ensure that there are no conflicting software or hardware configurations.

Enable PnP Monitor for Windows 10 Brightness Control

To enable PnP Monitor for Windows 10 Brightness Control, follow these steps:

1. Open the Device Manager by pressing the Windows key + X and selecting Device Manager.
2. Expand the Monitors category and right-click on the PnP Monitor.
3. Select Update Driver.
4. Choose Browse my computer for drivers.
5. Select Let me pick from a list of available drivers on my computer.
6. Check the Show compatible hardware box.
7. Select the Generic PnP Monitor option and click Next.
8. Restart your computer to apply the changes.

This should fix the issue with brightness control not working on Windows 10. If the problem persists, you may need to update your display driver. You can download the latest driver from the manufacturer’s website or use a driver update tool like Fortect.

Remember to adjust the screen brightness using the monitor’s brightness control or the brightness slider in the Display Settings. This will ensure that you can easily increase or reduce the brightness according to your preference.

Note: Some laptops may have additional brightness options, such as automatic brightness or HP laptop brightness. These can be found in the display settings or through specific keyboard shortcuts.

Fix Automatic Sensors Blocking Brightness Adjustment on Windows 10

If you’re experiencing issues with the automatic sensors blocking the brightness adjustment on Windows 10, there are a few steps you can take to fix this problem.

First, try updating your GPU display driver. Sometimes a buggy driver can cause issues with the brightness control. Visit the manufacturer’s website or use Windows Update to get the latest driver version.

If that doesn’t work, you can try disabling the automatic brightness feature. Open the Windows Settings and go to System > Display. Under the “Brightness and color” section, turn off the “Change brightness automatically when lighting changes” option.

Alternatively, you can use a shortcut to adjust the brightness directly. Press the Windows key + X and select “Device Manager” from the menu. Expand the “Display adapters” category, right-click on your GPU, and select “Update driver.” Follow the on-screen instructions to complete the process.

By following these steps, you should be able to fix the automatic sensors blocking the brightness adjustment on your Windows 10 machine.

Use Third-Party Tool to Update Display Drivers on Windows 10

To fix the issue of Windows 10 brightness control not working, you can use a third-party tool to update your display drivers. Updating your drivers can often resolve bugs and issues related to brightness control.

First, download the third-party driver update tool from a trusted source. Once downloaded, run the tool to scan your system for outdated or buggy GPU display drivers.

Select the outdated drivers and click on the “Update” button to download and install the latest versions.

After the installation is complete, restart your computer to apply the changes.

Once your computer restarts, you should be able to adjust the brightness of your monitor using the brightness slider or the shortcut keys on your keyboard.

Remember to adjust the brightness according to your personal preference and the lighting conditions in your surroundings.

By updating your display drivers, you can ensure that your monitor’s brightness control functions properly, providing a more enjoyable viewing experience.

Update Registry to Fix Windows 10 Brightness Control Issue

To fix the Windows 10 brightness control issue, you can update the registry. Here’s how:

1. Press the Windows key + R on your keyboard to open the Run dialog box.
2. Type “regedit” and press Enter to open the Registry Editor.
3. Navigate to the following location: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Control Panel\Power\PowerSettings\7516b95f-f776-4464-8c53-06167f40cc99\8EC4B3A5-6868-48c2-BE75-4F3044BE88A7
4. Double-click on the “Attributes” value to edit it.
5. Change the value data to “2” and click OK.
6. Close the Registry Editor.

After following these steps, restart your computer and check if the brightness control is working properly.

Note: Modifying the registry can be risky, so it’s important to create a backup before making any changes. If you’re not comfortable with this process, we recommend seeking assistance from a professional.

Frequently Asked Questions about Windows 10 Brightness Control

  • What could be causing the Windows 10 brightness control not to work? There are several potential causes for this issue, including outdated display drivers, incompatible hardware, incorrect power settings, or a malfunctioning monitor.
  • How can I fix the Windows 10 brightness control not working? Try updating your display drivers, adjusting power settings, checking for hardware compatibility, or running the Windows Display Quality Troubleshooter. You can also try restarting your computer or performing a system restore to a previous working state.
    What could be causing the Windows 10 brightness control not to work? There are several potential causes for this issue, including outdated display drivers, incompatible hardware, incorrect power settings, or a malfunctioning monitor.
How can I fix the Windows 10 brightness control not working? Try updating your display drivers, adjusting power settings, checking for hardware compatibility, or running the Windows Display Quality Troubleshooter. You can also try restarting your computer or perform
  • Where can I find the display settings in Windows 10? To access the display settings, right-click on the desktop and select “Display settings” from the context menu. Alternatively, you can open the Settings app and go to “System” > “Display”.
  • Why does my Windows 10 brightness control keep resetting? This issue can occur due to outdated or incompatible display drivers, incorrect power settings, or a malfunctioning monitor. It can also be caused by certain Windows updates or third-party applications. Try updating your drivers, adjusting power settings, or running the Troubleshooter to resolve the problem.
  • How do I adjust the brightness on Windows 10? You can adjust the brightness in Windows 10 by using the keyboard shortcuts (if available), through the Action Center, or by accessing the display settings. In the display settings, you can drag the brightness slider or choose the appropriate brightness level.
  • Why is the Windows 10 brightness control not available or disabled? The brightness control may be unavailable or disabled if your computer does not have a compatible display driver installed. Ensure that your display drivers are up to date and compatible with Windows 10. If the issue persists, check for any disabled devices in the Device Manager.
    How do I adjust the brightness on Windows 10? You can adjust the brightness in Windows 10 by using the keyboard shortcuts (if available), through the Action Center, or by accessing the display settings. In the display settings, you can drag the brightness slider or choose the appropriate brightness level.
Why is the Windows 10 brightness control not available or disabled? The brightness control may be unavailable or disabled if your computer does not have a compatible display driver installed. E
  • Can I adjust the brightness automatically in Windows 10? Yes, Windows 10 offers an adaptive brightness feature that automatically adjusts the screen brightness based on the ambient lighting conditions. You can enable or disable this feature in the display settings under “Brightness and color”.
  • Are there any third-party software solutions for Windows 10 brightness control? Yes, there are various third-party software programs available that provide additional features and customization options for brightness control in Windows 10. However, exercise caution when downloading and installing such software from trusted sources to avoid any potential security risks.
  • How can I contact Microsoft Support for further assistance? If you need further assistance with the Windows 10 brightness control issue or any other Windows-related problems, you can contact Microsoft Support through their official website or by using the support options available within the Windows operating system.
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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.