Could you please describe or provide a way for us to check what you refer to when you mention that the color quality is not the same as when you use an older third party video card? Or how do you determine that the video controller will not display full colour it is limited and how can we confirm this?
In addition please copy-paste the graphics report generated within the Intel(R) Graphics User Interface. For information on how to retrieve this report, please visit the following page:
Also, use the Intel® System Identification Utility using the following site:
That will generate a 8 digits code called Report Reference ID. Please let us have that code, this will provide us information on what is being detected on your system.