Windows 10: Brightness wont adjust on second monitor

Discus and support Brightness wont adjust on second monitor in Windows 10 Ask Insider to solve the problem; My main computer is an Asus Vivobook 14 running Windows 10. My secondary is an acer monitor, it wont change the brightess on the acer. How do I fix... Discussion in 'Windows 10 Ask Insider' started by /u/WackyH, Oct 16, 2020.

  1. /u/WackyH Win User

    Brightness wont adjust on second monitor


    My main computer is an Asus Vivobook 14 running Windows 10. My secondary is an acer monitor, it wont change the brightess on the acer. How do I fix this?

    submitted by /u/WackyH
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    :)
     
    /u/WackyH, Oct 16, 2020
    #1

  2. Brightness can not be adjusted.

    Hi Sirajudeen,

    Do let us know the following to assist you better with this issue:

    • What is the make and model of your device?
    • Were you able to see any error message/ error code with this issue?
    • Have you tried to install all the pending updates for drivers and Windows Updates on your device?

    This issue might have happened due to corrupted/ outdated drivers.

    I suggest you to refer to the below Microsoft article, try the troubleshooting steps suggested to change the brightness and check if it helps.

    Adjust your monitor's brightness and contrast


    Hope it helps. Get back to us with an updated status of changing the brightness and required information for further assistance.

    Thank you.
     
    Deepika Gowda, Oct 16, 2020
    #2
  3. Eeshwar Kumar, Oct 16, 2020
    #3
  4. Brightness wont adjust on second monitor

    Adjusting Monitor Brightness and contrast

    Hi,

    Thank you for posting your query on Microsoft Community. We are sorry for the inconvenience caused.

    I see that you want to adjust the monitor brightness and contrast

    Please answer the below question to assist you better,

    What is the make and model of the keyboard?

    Please check the below steps and check if it helps,

    • Type Calibrate display color in the Cortana search box, and click on same.
    • Click Next on Display Color Calibration window.
    • Click Next on Set basic color settings appears on the screen window.
    • Similarly, you get another window How to adjust gamma and click Next button to continue.
    • Adjust gamma window prompts.Set the gamma color settings by sliding up or down (as you prefer) the gamma sliders. When you drag the slider upward brightness of your desktop enhances and when pull it downward brightness
      decreases.This is the center step to adjust brightness so perform carefully. Press
      Next button.
    • Then you will see the Find the brightness and contrast controls for your display. Tap on
      Skip brightness and contrast adjustment if you want to avoid the adjustment of brightness and contrast.
    • Press on Next button until you get the window called How to adjust color balance.
    • In the window “How to adjust color balance”, hit the Next button to go further window.
    • Here, you will notice another window Adjust color balance. In this window, you have the option to adjust the primary colors like
      red, blue and green by sliding these (right or left) with mouse according to your need. After you optimize the colors press the
      Next button.
    • Finally, click Finish button to save the current color calibration settings on your Windows 10 desktop.

    You may also update the display driver and check if it helps:

    How to: Install and Update drivers in Windows 10

    How to: Install and Update Hardware Drivers in Windows 10

    I would also suggest you install the latest keyboard drivers from the manufacturing website and check if it helps.

    Hope this information is helpful. Please do let us know if you need further assistance, we’ll be glad to assist you.
     
    Anup Karkal, Oct 16, 2020
    #4
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Brightness wont adjust on second monitor

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