Windows does not support changing the screen brightness natively. Fortunately, there are various workarounds to change the brightness on second monitor which only takes a few minutes. One of the best-suggested methods is to use the physical buttons on the Windows monitor to adjust the brightness levels.
What if your monitor doesn’t support enough physical buttons? Well, in such cases you can use a handy app to change your external monitor’s brightness on Windows 10 & 11. Read below for the detailed guide.
How to Change Brightness on Second Monitor?
Changing the brightness on your external monitor is not a big deal. You can adjust it in three different ways. There are,
- Using Physical buttons
- Turn On the Night Light
- Using third-party apps

We include an individual method to manage the brightness level effortlessly. So, keep reading the upcoming guide to learn the easiest way to change it.
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Change Brightness on Second Monitor using Physical Buttons
In this method, you can easily change the Brightness level on your second monitor with the help of the Physical Buttons. Every monitor has dedicated buttons to access the menu effortlessly. So, now, we are going to use these buttons to adjust the brightness level on your monitor as much as you want.
Step 1:
Power your Monitor and wait for 20 minutes.
Step 2:
After that, find the Menu button on your monitor.
Step 3:
From the Menu, choose the Brightness option.
Step 4:
Then, make use of the volume buttons to change the Brightness level on your second monitor effortlessly.
Enable the Night Light on Windows 10 to adjust the Brightness
Here we are going to use one of the features of Windows 10 which helps you to maintain your Monitor brightness effortlessly. The following guide will show you the simplest method to access this Night Light Mode on your monitor.
Step 1:
Move to the Start button and right-click on it.
Step 2:
Then, you will get the Settings menu on your monitor.
Step 3:
Under the Settings menu, choose the System option.
Step 4:
After that, select the Display option.
Step 5:
Now, you can see the Night Light option under the Brightness slider.
Step 6:
Once you find this option turn on it on your Monitor.
In addition, you can customize the Night Light timing as per your choice hassle-free.
Do read – How to Change Brightness on Dell Monitor?
Change Brightness on External Monitor using Third-Party Apps
On the other hand, you can also use third-party apps to change your second monitor brightness easily. For example, Monitorian, Power Brightness for Windows 10, and many more apps help you to set the brightness level on your dual monitor. The upcoming guide will explain the simplest method to get the app and change the brightness using the app.
Step 1:
Firstly, install any of the third-party apps on your monitor from the native app store. (For example, Monitorian).
Step 2:
Once you download the app, open it. You can find the app from the Start menu or pin it on the desktop.
Step 3:
Then, tap on the Monitorian button on your monitor.
Step 4:
Now, you will get the list of connected devices.
Step 5:
Choose the monitor that you want to change the brightness level.
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Ending View
Hopefully, we have provided all the possible methods to change the brightness on an external Windows monitor. Ensure that you have updated your Windows OS to the latest version and also keep up with the step-by-step guide to complete the process successfully.
FAQs
How to Change brightness on Second Monitor Without Using Physical buttons?
The App that is used to change the Brightness of the Second Monitor is Monitorian. To clarify this, it is a tool that adjusts the brightness of multiple monitors including the External monitors simultaneously. The user can also adjust the brightness levels of each monitor as required.
How do I balance my monitor brightness?
To balance the Monitor Brightness, you have to adjust the readings of Gamma Values, Display Brightness, Contrast Ratio, Colour Levels, etc. After adjusting all the values of the Display Settings page, tap on the Confirm option to fix your Current Settings.

Alex Techson is a passionate technology enthusiast and content creator specializing in smart TVs, Android devices, PCs, gaming consoles like PlayStation and Xbox, and all things tech. With years of experience exploring the digital world, Alex brings practical tips, in-depth guides, and the latest updates to help tech lovers stay ahead in the game. Whether it’s finding channel numbers, troubleshooting devices, or discovering new features, Alex has you covered!