This message was posted on behalf of Intel Corporation
I understand that you want information about the DDC/CI and want to know how to control display with it.
Regarding this, to better assist you with your request, I will need to check some information about your computer. Please follow these steps:
1. In the keyboard, press WinLogo key + R.
2. In the Run box please type dxdiag and hit Enter.
3. Click on Save All Information (save it in your desktop).
4. Attach the report to this thread.
Also, please give us a little more information about the actual goal you have, what would you like to accomplish?