Solve : vista is not shutting down after installing intel draphics dri

1.	Solve : vista is not shutting down after installing intel draphics driver?
Answer» I have purchased a dell LAPTOP that came with Windows vista home premium. everything was working fine at first but since, when I installed graphics driver to get the better VIDEO quality it is not shutting down. how can i fix this problem?Revert back to the old drivers... Where did the driver come from ? ?I have downloaded it from dell web site and it has enhanced the graphics quality. I have a driver CD that came with laptop but it doesn't have the graphics driver thats why I have downloaded it from dell site. what should i do to SOLVE this problem INSTEAD of uninstalling it?It didn't ENHANCE the graphics quality. And if it did a fat lot of good it'll do if it shuts down.

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