If this is on a laptop, the CD/DVD spindle has detents that secure the CD on to the drive spindle. Locate it on the spindle and gently but firmly press down while supporting the extended drive. It will pop into place and things will work fine.
If this is on a laptop, the CD/DVD spindle has detents that secure the CD on to the drive spindle. Locate it on the spindle and gently but firmly press down while supporting the extended drive. It will pop into place and things will work fine.