How to turn DDC/CI: on or off [Gaming guide]

Tashreef Shareef
by Tashreef Shareef
Windows & Software Expert
Tashreef Shareef is a software developer turned tech writer. He discovered his interest in technology after reading a tech magazine accidentally. Now he writes about everything tech from Windows to iOS and streaming services... Read more
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  • Turning the DDC/CI option on or off enables you to have a more immersive gaming experience.
  • Figuring out if your display is capable of using this feature is paramount.
  • Activating the DDC/CI feature on your monitor can be done by modifying the display's settings.
  • Enabling this option on your PS4 or Xbox console requires the same steps but details depend on your monitor/display.
enable or disable DDC/CI on Monitors
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The Display Data Channel / Command Interface also commonly known as DDC/CI is a collection of digital communication protocols between a display and a computer.

It allows the compatible graphics adapter to communicate with its supported display modes, thus enabling the users to adjust computer settings such as brightness and contrast.

Third-party brightness adjustment tools like Monitorian requires a DDC/CI enabled monitor to work. You can disable and enable the options from your computer’s settings using the physical controls.

Whether you are new to the term DDC/CI or wanted to learn to enable or disable your monitors’ feature, this is the article you need.

This article shows you how to turn DDC/CI on or off on a gaming monitor for better gaming performance.

How do I turn DDC/CI on or off in Windows 10?

How do I enable DDC CI in Windows 10?

turn DDC CI on off

Note: Below guide is for BENQ monitors. However, this should also work if you are using HP, Lenovo, Dell, or any other monitor.

  1. Press any of the physical control buttons on your monitor. You can find the control buttons, usually at the bottom of the display panel on the right side. In some monitors, the buttons are located at the back of the panel.
  2. When the context menu appears, press the appropriate button to open the Menu.
  3. Use the physical button to scroll down and select System.
  4. Use the forward navigation button and highlight the DDC/CI option.
  5. Next, use the forward navigation button and highlight ON.
  6. Press the OK/Check button to turn on DDC/CI and save the changes.

That’s it. You have successfully enabled the DDC/CI option on your computer.

However, If you have a multiple monitor setup where the monitors are from a different manufacturer, you can use a third-party tool like ClickMonitorDDC to manage DDC/CI settings.


How do I disable DDC/CI?

turn DDC CI on off
  1. Press any physical control button on your monitor.
  2. Press the appropriate button to open the Menu.
  3. Use the navigation button to scroll down and select System.
  4. Press the forward navigation button and then scroll down to the DDC/CI option.
  5. Press the forward navigation button and then select OFF to disable DDC/CI on your monitor.
  6. Next, press the OK/Check button to save the changes.

DDC/CI enabled monitors may have problems with older generation cards. If you are using an old generation graphics card and facing display-related issues, disable DDC/CI to see if that resolves the problem.

However, do note that external monitor programs like brightness adjustment tools require you to have a DDC/CI enabled monitor to work. Make sure to enable turn on DDC/CI once you have resolved the issue.


By default, most modern monitors come enabled with the DDC/CI option, allowing users to plug their monitor into a computer and use it.

However, if you have accidentally disabled the option, you can enable it again by following the steps in this article.

If you are using a legacy operating system or other last-gen hardware that is connected to the monitor, you may have to disable the DDC/CI option.

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