We'll start with the easiest way to get the drive open - skip the physical button on the outside and ask your operating system to force eject the disc. Please try again shortly. See your browser's documentation for specific instructions. Use Microsoft System Restore to go back to a time when the drive tray was operating normally. This is the manual release hole.
Opening a CD or DVD drive tray that is stuck closed (Windows 7 and earlier)
For details see the FAQ below. Please check the details of your disc. Try shutting down or configuring any software programs that create discs or monitor the disc drive.