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Solved: How do I fix Dell Laptop Display Brightness Change or Dim Dynamically According to Content?

Problem Symptom

My brand new Dell laptop screen’s brightness changes dynamically depending on the content of the screen. This issue very annoying because while programming or photo editing, highlighting different amounts of text and lines changes the color and brightness of screen. I’ve updated the BIOS to the latest version and checked the Intel Graphics Command Center, but cannot find any related setting such as adaptive brightness or dynamic brightness to turn it off.

Solved: How do I fix Dell Laptop Display Brightness Change or Dim Dynamically According to Content?

Follow the below solution steps to resolve Dell laptop display birghtness dim dynamically according to screen content issue.

Content Summary

Solution 1: Disable EcoPower in BIOS Display/Video setting
Solution 2: Disable content adaptive brightness control in Windows
Solution 3: Disable adaptive brightness in advanced power settings
Reference

Solution 1: Disable EcoPower in BIOS Display/Video Setting

This is an LCD feature to save more power in battery mode for this system mode. After updating BIOS to 1.1.0 we need to disable EcoPower in BIOS settings.

Step 1: Restart your laptop.

Step 2: Press F2 continuously on laptop when the Dell logo is shown

Step 3: Click on the Display or Video configuration at the sidebar.

Step 4: Scroll down to locate Enable EcoPower setting.

Step 5: Toggle to setting to OFF in order to disable EcoPower function and then you can set brightness level as per needs.

Toggle to setting to OFF in order to disable EcoPower function and then you can set brightness level as per needs.

Step 5: Click on the APPLY CHANGES button and then EXIT button to restart the laptop.

Solution 2: Disable content adaptive brightness control in Windows

Step 1: Click on the magnifier icon at the Taskbar to open the Search box.

Step 2: Type display in the search text box.

Step 3: Click the Change brightness level setting in the matching search result to open the Display System Settings.

Click the Change brightness level setting in the matching search result to open the Display System Settings.

Step 4: Expand the Brightness setting.

Step 5: Uncheck the checkbox for Help improve battery by optimizing the content shown and brightness.

Uncheck the checkbox for Help improve battery by optimizing the content shown and brightness.

Solution 3: Disable adaptive brightness in advanced power settings

Adaptive brightness check the lighting conditions of your laptop’s display and adjust the brightness automatically based on the ambient light level to match surrounding lighting conditions.

Step 1: Open the Control Panel in the Start menu.

Open the Control Panel in the Start menu.

Step 2: Open the Hardware and Sound > Power Options.

Open the Hardware and Sound > Power Options.

Step 3: Click on the Change plan settings link next to the current power plan.

Click on the Change plan settings link next to the current power plan.

Step 4: Click on the Change advanced power settings link.

Click on the Change advanced power settings link.

Step 5: Scroll down to locate the Display settings, expand it to find the Enable adaptive brightness setting.

Step 6: Switch the Enable adaptive brightness setting to off for both the battery and plugged in modes.

Switch the Enable adaptive brightness setting to off for both the battery and plugged in modes.

Step 7: Click on the Apply button to save the changed settings.

Reference

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