1, first you need to change the other CD, to see if it is because of the CD-ROM reasons.
2, after the elimination of the reasons for the CD. It is most likely that the optical drive is set to play the disc automatically in Win7. When this feature is set, this behavior occurs when you double-click the disc letter if there is no Autorun.inf file or AutoPlay media file on the disc you are inserting.
Solutions
1, click "Start", and then enter "Services.msc" in the search box and return to execute, open the Local Service Manager window.
2, in the right service list, find the "Shell Hardware Detection" Service item, double-click Open, the new window in the "Startup Type" set to "disabled."
3, exit the Settings window, and then right click on the "Shell Hardware Detection" service, select pop-up menu "Stop", that is, to close the "autoplay" setting.
4, quit the Service Management window, restart the computer to take effect.
Other problems caused by
1, of course, there may be the problem of driving, many times Win7 notebook appears this problem, using a desktop can be opened. This is generally a driver of the problem, to the official online download driver can be