Hi,
Did you try this fix?
http://support.microsoft.com/mats/cd_dvd_drive_problems
If the issue persists, I suggest to reinstall DVD rom driver, and try to set auto play DVD:
http://windows.microsoft.com/en-US/windows-vista/Set-up-Windows-to-automatically-play-CDs-and-DVDs
Regards,
Leo
Huang
Leo Huang
TechNet Community Support
