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I have an issue with Intel HD4000 drivers on my Windows 7 installation.

A few days ago I tried to update to the latest version of this driver and after a restart it got stuck with the default Windows VGAsave driver.

In device manager the driver is installed correctly, but it is not working. the currently installed driver is the one downloaded by Windows Update, but no other driver will work. They only show blank adapter names in display settings, like "1. (Default Monitor) on \blank\".

I tried uninstalling and reinstalling the adapter in device manager, but no luck.

I think it might be an issue with Virtu MPV I installed a few months ago.

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Have you tried going to the intel site and download the latest driver from there? – Brad Patton Apr 10 '13 at 15:26
yes, the problem appeared when i tried to update to 3071 driver , now i have installed 2932 driver from windows update . anyway, same results on any driver. – George Dima Apr 10 '13 at 15:45
i tried to attach a picture , but i'm newbie here and i cannot – George Dima Apr 10 '13 at 15:45
If you have a Restore Point you could roll back to there. Otherwise I would suggest reinstalling the latest Intel driver (rather than the adapter). I've had times where that has cleaned up things. – Brad Patton Apr 10 '13 at 15:49
i have system restore disabled. i also reinstalled all versions of hd4000 drivers, no result :( . – George Dima Apr 10 '13 at 16:02

I managed to solve it. As a last solution, I opened regedit and deleted all entries containing 'hd graphics'.

After a reboot and installing the Intel 3071 drivers again, it works flawlessly.

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I fixed it by updating the "PCI Bus" driver from the Intel one with the Microsoft one.

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