Windows 7 update disabling Intel my WiFi Technology adapter

I recently bought a Vaio laptop for WiDi features.  Out of the box, it worked as advertised, but after a tour of the various updates from Microsoft and Sony, the WiDi becomes invalid.  The message that appears is: My technology Intel WiFi disabled, please reboot your computer.  Another message that appears is: Intel My WiFi Technology: card not found.  I poured over all the seller community postings (Netgear, Intel, Sony) on this issue, but nobody seems to have a solution.  The only recovery method must do a restore of the entire system that puts everything back to factory settings.  As soon as I did this, it works for a bit, until the updates download again.  I tried to turn off the auto updates, and I have ensured that all the newer drivers have been installed (in the same after doing a full system restore), but nothing seems to prevent the adapter to become invalid.  I have no problem with WiFi, only the WiDi.  This issue seems to affect all brands with WiDi capabilities.  I don't know if it affects only Intel i5s or two i5s and i7s.  Does anyone have any other suggestions?

Thanks for the suggestion to roll back the driver.  However, I have found that when I open the Device Manager, I managed to re - activate the device working properly and it was not necessary for me actually to restore the driver.

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