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In order to help you better I would like to gather more information about the configuration you have in the computer. Please attach to this thread the .txt file the Intel® System Support Utility will generate https://downloadcenter.intel.com/download/25293/Intel-System-Support-Utility https://downloadcenter.intel.com/download/25293/Intel-System-Support-Utility
What type of video cable are you using between the computer and the display?
May I have the model number of the monitor?
Has the system worked fine before? If it has, was there any type of software or hardware change before the issue started happening?
To attach a file, you must click "Use Advanced Editor" on the upper right hand corner of the response box, then the "attach" option will appear on the bottom right hand corner of the response box.
I was wondering if you still need assistance regarding the video flickering issue you are having in your computer. In case you still need assistance just let me know.