There are explanations for all operating systems here:
http://www.annoyances.org/exec/show/article03-018
This article is about turning off this very annoying feature-just
reverse the instructions as necessary.
I prefer to use TweakUI.

R Delgado wrote:

>When I first bought my computer, I used to place a cd or dvd in the appropriate slot, and it would open atomatically (if it was new software, it would open directly to setup)but now when I insert the cd/dvd nothing happens - I have to go to explore or "Run" and browse to get to the cd/dvd. What do I need to do to reset my cpu to open the cd/dvd directly after inserting?
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