A device driver is not installed, or a hardware device does not function
correctly after you install Windows Vista Service Pack 1:
http://support.microsoft.com/?kbid=948187
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Mark L. Ferguson
"Mia" <> wrote in message
news:7CEB8CC1-6F45-4FAF-8770-...
> I just installed the service pack for vista and after my computer
> restarted
> all my display settings have changed. I am now also without sound as the
> icon
> at the bottom of the screen tells me no audio device is installed. Sound
> was
> working perfectly before so not sure what is going on there. I can't seem
> to
> put my settings back to the way they were before. The options for the
> monitor
> just arent' there. Please help as I have no idea what happened to my
> usually
> reliable computer.