Screen brightness is an integral part of using modern computing devices, especially when you look at the screen for long periods of time. It helps you reduce eye strain, improve legibility, and view content easily and efficiently.
However, depending on your settings, it can sometimes be difficult to manage brightness, especially on Windows 11 with the new UI changes. If you're having trouble adjusting brightness, here are all the ways to manage brightness on Windows 11.
Single monitor users can use the following methods to adjust brightness on Windows 11. This includes desktop systems using a single monitor as well as laptops. let's start.
Action Center is the easiest way to access and adjust your computer's brightness.
Press to launch Action Center. You can also click the taskbar icon in the lower right corner of the screen. Windows A
Now click on the slider and adjust the screen brightness as per your requirement.
Now you will adjust the brightness from the Action Center.
If you are using a keyboard with dedicated hotkeys, you can use the same hotkeys to adjust the brightness. This mainly applies to laptops and third-party keyboards.
Look for the brightness icon on your keyboard. Most keyboards have the keypad located in the Function or Fn keys, while third-party keyboards may have dedicated keys on the top.
Just use these keys to adjust the brightness. If you are a laptop user, you will most likely need to use a combination to adjust the brightness. This is because the key will act as a function key unless a dedicated Fn key is used as a modifier to use its alternate function. Fn Brightness key
If you wish, you can change this behavior on Windows using the Fn Lock feature on most keyboards.
Fn lock is usually activated by or . If you have this feature, you can use these combinations to quickly change the function of the function keys. Fn Caps LockFn Esc
However, if your keyboard does not have Fn Lock functionality, you must continue to use the dedicated key combinations on your keyboard to control brightness.
If you can't access the brightness slider in Action Center, it might be because you're using an external monitor.
Unless your external monitor comes with a dedicated driver or utility, Windows cannot control brightness using built-in utilities.
In this case, you will have to use your monitor's OSD to change and adjust its brightness. Most monitors will use the following terms in their OSD for brightness settings.
##Note: If your monitor has both "Brightness" and "Backlight" options, then Backlight will help you adjust the actual brightness of your monitor. In contrast, the Brightness option will adjust the Gamma of the PC display output.
Here are some common monitor OEMs and their dedicated apps to help you control monitor brightness and more. Use any of the links below, depending on the monitor's OEM.
##Do.
Method 4: Use the Settings app
Press and click
to display. Windows i<p><img src="https://img.php.cn/upload/article/000/465/014/170288051542756.png" alt="10种在 Windows 11 上调整亮度的方法"></p>
<p>Now adjust the "<strong>Brightness</strong>" slider under "Brightness<strong> and Color</strong>". </p>
<p><img src="https://img.php.cn/upload/article/000/465/014/170288051552417.png" alt="10种在 Windows 11 上调整亮度的方法"></p>
<p>You will now adjust the brightness from the Settings app. </p>
<h3>Method 5: Use PowerShell</h3>
<p>If you're having driver issues or can't access the brightness slider, you can try using PowerShell commands to adjust the brightness on your PC. Let's take a quick look at the process. </p>
<p>Press to start <strong>Run</strong>. <code>Windows R
Enter the following command and press the keyboard. Ctrl Shift Enter
powershell
BrightnessValue with a number between 1 and 100. One is the lowest brightness level supported by the monitor, while 100 is the highest.
(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1, BrightnessValue<strong>)</strong>
exit
Windows R
Ctrl Shift Enter
cmd
Note: If you are in a recovery environment , you can press the keyboard to start CMD as administrator. Shift F10
BrightnessValue with a number between 1 and 100. One is the lowest brightness value supported by the monitor, while 100 is the highest.
PowerShell (Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1, BrightnessValue<strong>)</strong>
exit
Move Center. Windows
That's it! You will now use Mobility Center on Windows 11 to change screen brightness.
Method 8: Using the graphics card panelYou can also use the graphics control panel provided by the graphics card OEM to control the brightness of the monitor. Follow one of the following sections, depending on your graphics card manufacturer.
For Nvidia
Now, under "Display", click "Adjust desktop color settings".
Now adjust the brightness slider to adjust the monitor brightness.
Once you are satisfied with your settings, click Apply.
That's it! You will now change the brightness from the Nvidia Graphics Control Panel.
Make sure you have the AMD Catalyst Control Center software installed on your PC. If not, get it from here. Launch AMD Catalyst Control Center from the Start menu. Now click on "DesktopManage" on the left and select "Desktop Color". If your monitor says "Digital Flat Panel Monitor," click on the monitor and select Display Color (Digital Flat Panel Monitor).
You will now have a brightness slider for your current monitor on the right. Use it to adjust the brightness on your PC as needed.
Click Apply.
You will now adjust the brightness using AMD Catalyst Center.
Right-click an empty area of the desktop and select AMD Radeon Settings.
Now click "Show ".
Now you will see all the output monitors connected to your PC. Click on the color of the relevant display .
Now use the brightness slider to adjust the brightness as desired.
You can now turn off AMD Radeon settings and continue working if you wish.
Right-click on your desktop and select the same AMD Radeon Software.
Click the gear (
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Click "Show ".
Now use the Brightness slider under Custom Color to adjust the brightness
.
NOTE:
The Intel Graphics Control Center allows you to adjust the brightness of the overall display signal received by your monitor. This means if you go too far it can mess up your color settings. We recommend that you pay close attention to your overall color when adjusting brightness using the Intel Graphics Control Center.Use the link above to download and install Intel Graphics Control Center on your PC. You will be redirected to the Microsoft Store. Just click"Install
" to install the same on your PC.
Now launch the Intel Graphics Control Center from the Start menu and click "Show " on the left.
Click "Color".
Now use the slider next to "All Colors" under "Brightness Enhancement" to adjust the display brightness.
Note: This is the recommended way to adjust the brightness of your monitor to avoid messing up the colors. However, if your monitor's color profile does not match this setting, you can adjust the individual brightness of the RGB by disabling the toggle for "All Colors".
Once you are satisfied with the brightness of your monitor, you can close the Intel Graphics Control Center on your PC.
As a last resort, you can try using a third-party application on your PC to adjust the brightness. We recommend the following apps that can help you adjust brightness easily.
Please note that some of these apps may affect your display colors rather than their backlight values. In this case, you can choose other utilities in case it doesn't help your display.
You can also let Windows automatically adjust the brightness of the display based on your current ambient light. This feature is primarily available on laptops and all-in-one PCs with built-in light sensors.
We recommend checking your PC documentation for more information. Follow these steps to enable and use auto-brightness on Windows 11.
Press and click to display . Windows i
Now expand Brightness by clicking the arrow next to it.
Check the "Automatically change brightness when lighting changes" box.
You can also check the "Help improve battery by optimizing the content and brightness of the display" box. This option will allow Windows to automatically optimize the brightness on your computer based on what is displayed on the screen.
Close the Settings app and Windows 11 should now be able to automatically manage the brightness on your computer.
If you have a multi-monitor setup, you have few options when it comes to managing brightness across all monitors. You can use the OSD and dedicated keys on your monitor, or you can choose a third-party utility to help you. Please follow any of the sections below based on your current preferences and requirements.
Most external monitors come with a built-in OSD display that allows you to access the monitor's features and adjust its display output. This OSD can be accessed using a dedicated key on the monitor or its dedicated remote control.
Launch the OSD on your monitor and look for a slider or value named one of the following.
Once found, adjust its value to increase or decrease the brightness of the display.
This is the recommended way to increase the brightness of your monitor without dealing with errors and unwanted artifacts.
Your monitor can also have a dedicated OEM utility that helps you manage its brightness, color space, and more. Use the link below to help you check if it is the same.
However, if you Having a monitor that does not have a built-in OSD or brightness settings, then you can use one of the third-party apps mentioned below to adjust the brightness of your monitor.
We recommend using the following apps to adjust brightness for multi-monitor setups. Our top picks are Monitorian and Dimmer. Both apps are suitable for multi-monitor setups and have built-in support for most screens currently on the market.
Monitorian is our top choice because the tool can connect directly to your monitor's backlight and adjust its brightness. On the other hand, if no compatible driver is found, the dimmer will resort to adjusting brightness and gamma to increase or decrease brightness. Use the links below to download and test the apps and find the one that works best for your current setup.
Note: ClickMonitorDDC is a long-established application that has been used by users worldwide to adjust their monitors. However, the app hasn't been updated in a while, and a known bug appears to be slowing down its performance on Windows 11. If you encounter this error, simply close the tool's Reread the values to fix it.
There may be several reasons why the brightness slider on your computer is grayed out or missing. The most common ones are listed below.
If you are using an external third-party monitor, you most likely adjusted its brightness using its OSD and dedicated keys. You may also have a remote control for easy access to the OSD on your monitor.
This is a good reason why the brightness slider is not showing up in Windows. We recommend that you try adjusting the brightness using the dedicated keys on your monitor.
Your OEM may also have a dedicated Windows utility that can be used to manage OSD settings in Windows. We recommend that you check the OEM's support website for more information.
Some computers may have Group Policy restrictions that prevent them from adjusting monitor brightness from within Windows. This typically applies to computers issued or managed by an organization.
Some organizations prefer to block brightness adjustments on older computers to prevent exploits from being used on their systems. If you have administrator access on your PC, you can use the next section to disable this restriction accordingly.
You can also use the Registry Editor to limit brightness adjustments. Ideally, this shouldn't happen to your PC, but if it was or is managed by an organization, this may be the case for you.
Also, if you have installed a third-party program or OEM utility that can edit registry settings, then this may also be the reason why you cannot use the brightness slider. You can use the dedicated section below to fix it.
You can use the following fixes to fix gray brightness slider in Windows 11. let's start.
As mentioned above, if your monitor has a dedicated menu key with a built-in OSD, then we recommend that you use the same menu key to adjust the brightness. Brightness will be labeled in your OSD as one of the following terms.
Many older monitors are limited to the OSD when it comes to adjusting the color and brightness of an image. This is probably the main reason why you can't use the brightness slider. At this point, using the dedicated keys to adjust the brightness is the only option.
If you suspect that brightness adjustments are restricted using Group Policy Editor, you can use the following steps to check and enable brightness adjustments.
Press the keyboard to start running. Windows R
Now enter the following and press Enter. If necessary, you can also click OK.
gpedit.msc
Use the left sidebar to navigate to the following location.
User Configuration > Administrative Templates > Control Panel > Display
Disable display of the control panel.
"Disabled".
"OK".
Restart your PC for good measure. If GPO restrictions prevented you from adjusting the brightness on your PC, the problem should now be resolved.
You can also check the Registry settings to see if the display brightness adjustment is disabled. Use the following steps to help you through the process.
Press to start running. Windows R
Type the following and press Enter. If necessary, you can also click OK.
regedit
Now use the left sidebar to navigate to the following path. You can also copy and paste it into the address bar at the top.
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies
Double-click on the right side named NoDispCPL DWORD value.
Enter 0 as its numeric data: to disable brightness limiting.
Click "OK".
Close Registry Editor and restart your PC. If a restriction in the registry value prevents you from adjusting the brightness, the issue should now be resolved on your system.
If you are a TeamViewer user, it is a known utility that causes brightness adjustment issues on several systems. Uninstalling it will help you resolve this issue, here’s how you can do the same on PC.
Launch the Start menu, search "Control Panel" and launch the same menu from the search results.
Click the drop-down menu in the upper right corner and select Large Icon.
Click "Programs and Features".
Now you will see the list of programs and utilities installed on your PC. Click and select TeamViewer from the list.
Click Uninstall at the top.
#Now, follow the on-screen instructions to uninstall TeamViewer from your PC. Once completed, restart your PC. If it is a TeamViewer error that is causing PC brightness issues, then you should fix it now.
You can also try updating the monitor driver. Microsoft uses universal drivers for most monitors connected to a PC. These drivers are very comprehensive, but can sometimes cause problems on high-end monitors with specialized features that require specialized drivers.
We first recommend that you check the OEM website for specific drivers for your monitor. However, if your monitor does not have a dedicated driver, then you can try updating the driver manually using the following guide.
News and select Device Manager. Windows X
Double-click Monitors.
Double-click the monitor below the same.
Click and switch to the "Driver" tab.
Now click Update Driver.
Click and select Search automatically for drivers.
Windows will now search for and install the best driver for your monitor. Click Close when finished.
#If Windows is able to update your monitor's driver, restart your PC for good results. However, if the driver is not found, you can move to the next step below.
You can also reinstall your monitor to fix background conflicts and errors with the driver used by your monitor. Please follow the guide below to help you through the process.
Press and click Device Manager. Windows X
Now double click on Monitor.
Right click on the monitor below the same.
Select Uninstall device.
Click "Uninstall" to confirm your choice.
#The monitor will now be uninstalled from your PC. Don't worry, you will still have a display signal. Once done, click the Scan for Hardware Changes icon at the top.
That's it! Windows will now reinstall your monitor.
#If a background driver conflict prevented you from accessing the brightness slider on your PC, this issue should now be fixed.
Method 7: Restart the Display Enhancement Service
While powerful, they sometimes conflict with monitors that have similar functionality built into them. Restarting the Display Enhancement Service can help resolve the same issue. Use the guide below to help you through the process.
Press to start
Run. Windows R
Type the following and press Enter. You can also click
.
services.msc
Now, find
in the list on the screen and then Right click on it.
Select
" from the context menu.
After restarting the service, try accessing the brightness slider again. If Windows 11 background conflicts are the cause of your issues, they should be fixed on your system now.
How to toggle display dimming when your PC is low on battery
Press and click
Power and Battery. Windows i
Click and expand
. Now turn off the toggle switch Reduce screen brightness when using power saver mode. That's it! Screen brightness will no longer dim when using the device in power saving mode. 
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