Windows 10: Prevent brightness adjustment on external display on a notebook

Hello community,i got a notebook and have the option Settings > System > Display > Brightness & Color > "Help improve battery by optimizing the content shown and brightness"enabled. This is working as expected when using the internal notebook display.Whenever i have my external display connected and windows set to use external display only, neither the option for brightness nor the option for battery optimizing is available anymore. Which is supposed to be expected and working as intended.Unfortunately my external display is getting dimmed after some idle time ...Is this a bug?

:)

 

HDMI external monitor: adjust brightness according to profile/day time

Hello,
OS: win10 Familly

I use an external hdmi monitor on a notebook, in that case I only use the external monitor (viz no dual display).

I can adjust the brightness of:
* the notebook screen with the "Sun up" and "Sun down" key on the keyboard.
* the external monitor with the menu on the monitor, but modifying on the monitor is cumbersome: need to call the menu, then "Picture", than "Brightness", then OK, then adjust with + and -, then finally confirm.


As the day light vary, from a bright sunny to dark, I noticed it's very relaxing to adjust the brightness between 100% (sunny) to 40% (dark).
How is it possible to "easily" adjust the external monitor brightness?

1/ The "Sun" up and down key only functions for the notebook, not for the external monitor - it's quick & easy.
Is it possible to apply to the external monitor?

2/ There are browser add-ons for that, but then it's bound to the browser, not all other apps.

Ideally, I would like to create 3 profiles of brightness or have some simple + and - keyboard shortcuts to adjust the hdmi brightness.

Thanks

REF:
Adjust Screen Brightness in Windows 10 Windows 10 General Tips Tutorials

 

Can't adjust Display brightness

Hi Lokesh,



Thank you for your interest in Windows 10.

We understand that, you face issues with display brightness dysfunctional on Windows 10 and I'd be certainly help you.

For a better clarity of your issue, please answer these queries below:

• 
  What is the make and model of the computer?
  
• 
  What is the make and model of the keyboard?
  

This issue could have occurred due to these reasons.

1. Incorrect settings.

2. Corrupt or outdated display and keyboard drivers.

Please refer to the article, created by Akheel Ahmed replied on October 28, 2015, to fix your issue with Display brightness dysfunctional on Windows 10.

http://answers.microsoft.com/en-us/...justment/edd29431-b542-4025-895a-6365a0e2c46c

Also refer to the Microsoft article link below and check, if it helps.

Change screen brightness in Windows - Microsoft Support

I suggest you to update the keypad drivers from the manufacturer's support website and check, if it works.

Please feel free to contact us, if you face any issues with Windows.



Thank you.

 

Cannot adjust display brightness in Windows 10

Hi,

I understand the inconvenience you are facing in Windows. We will help you.

What is the make and model of your PC?

Let’s try with some steps which helps you resolving the issue.

Step 1: I suggest you to update the Display drivers
and check if it helps you.

Refer:
Uninstall and Reinstall the graphics card drivers

If that doesn't help uninstall and reinstall latest graphic driver from manufacturer's website.

Note: Update all the drivers and also install all the pending updates and check.

Step 2: After installing and Updating refer the below steps to check how to automatically adjust the brightness.

• Press Windows + I keys and select System.
• Select Display and check the Adjust brightness automatically
• Restart the machine.

Keep us informed if the issue is resolved. We are glad to help you further.