Question Unable to Duplicate monitor screen on system upgraded to Windows 10

Jun 21, 2019
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We have upgraded a HP Compaq Pro 4300 All in One system that has a Intel Pentium G870. Once we upgrade from windows 7 to windows 10 pro we are unable to duplicate the desktop screen to our secondary monitors, only option we get is extend but If we disable the Intel HD Graphics driver on this system we are able to duplicate the monitors using Microsoft Basic Driver but the system is laggy without the Intel HD Graphics enabled.


Microsoft support was unable to figure out this issue and suggested to get Intel involved but Intel will not support old discontinued products so they can only suggest reading forms.
 
Jun 21, 2019
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Unfortunately no, its a all in one. I wish it was a desktop, I could easily fix this with video card. Just odd showed Microsoft support me disabling the driver to duplicate screen. They are clueless and intel is no help.

I upgraded a super old desktop for testing to see if it also had same issues, my intel core 2 duo is able to work and that chip is older than the Pentium chip.
 

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