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HP Customer Support - Knowledge Base

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  • Information

    Fix and resolve Windows 10 update issue on HP Computer or Printer. Click here

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HP and Compaq Flat Panel Monitors - DDC Errors

Display Data Channel (DDC) is a type of communication between your computer and your monitor. DDC allows the monitor to tell the computer what its supported display modes are and allows you to adjust monitor features such as brightness and contrast from the computer.
DDC/CI (Command Interface) is the channel the computer and monitor use to send and receive commands to each other. Some DDC/CI monitors support auto pivot, where a rotation sensor in the monitor enables the computer to keep the display upright as the monitor moves between horizontal and vertical positions.
If you are experiencing communication errors involving DDC, or you are having trouble with the auto pivot function on your monitor, complete the following steps:
  1. Check the cable between the computer and the monitor to make sure they are connected correctly and securely.
  2. Check the HP Web site for updates to the software you are using with your monitor, such as HP My Display.

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Country/Region: Flag Canada

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