The sides of the optical drive have pre-drilled, threaded holes for easy mounting in the 5.25-inch drive bay in the computer case.The optical drive is mounted so the end with the connections faces inside the computer and the end with the drive bay faces outside.
Optical discs are usually between 7.6 and 30 cm (3 to 12 in) in diameter, with 12 cm (4.75 in) being the most common size.
Type in the Run dialog box, then press Enter key to view Device Manager.
The instructions below can be used for both internal and external CD, DVD or Blu-Ray drives but some of the fundamentals might be a little different.
This side of the disc contains the actual data and is typically coated with a transparent material, usually lacquer.
The reverse side of an optical disc usually has a printed label, sometimes made of paper but often printed or stamped onto the disc itself.