I can't get the Intel drivers to install (grrr). I downloaded the file from the Intel site:
win64_15407.4279.exe dated 9/1/2015
It returns the message "The driver being installed is not validated for this computer."
My system is a Surface Pro 2 (Core i5-4200 CPU 1.6 GHz). The Microsoft site says it uses the Intel HD Graphics 4400.
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What started all this is that since upgrading to Windows 10, I can no longer connect to a projector using the DisplayPort with an adapter to VGA. It used to work like a champ with Windows 8.1. Two models of projector now aren't even seen. No image. I had to use a backup Windows 7 laptop when teaching a class this week.
BTW, my Win 10 Device Manager for the Intel HD Graphics Family says:
"Windows has stopped this device because it has reported problems (code 43)."
I tried uninstalling it and rebooting. Problem returns. Lather, rinse, repeat.
Am I alone in this? Can anyone shine a light on the problem?
Eternal gratitude awaits the guru who can solve my problem.