In Windows7, many discs are not recognizable and open. This problem is caused by a feature in Windows that can cause you to not be able to browse the open disc directory, load the Autorun program or play the media file automatically, and disable this feature to resolve the problem if it is not available. This problem is especially serious for discs that you burn. Or the optical drive does not read the disk, double-click the letter tip: Please insert a CD-ROM drive
The workaround steps are as follows:
1. Win+r Open the "Run" window, enter services.msc OK, or click "Control Panel"--"system and security"--"Administrative Tools"-"services", open the local service Manager
2. Find the following services:
Shell Hardware detection (provides notification for AutoPlay hardware events)
3. Double-click the service to set the startup type to disabled, and clicking the Stop button below.
4. Restart effective