Toshiba Satellite Pro 4300 User Manual page 59

Lay the CD, label side up, in the drawer.
4.
Be careful not to touch the lens or the area around it. Doing so could
cause the drive to malfunction.
Press gently at the centre of the CD until you feel it click into place. The
5.
CD should lie below the top of the spindle, flush with the spindle base.
User's Manual
Inserting a CD
Operating Basics 4-5