b. Locate the optical-drive retainer from the left side of the computer. Push the retainer downwardsto unlock the retainer. Then lift the retainer out of the chassis.Figure27. Removing the optical-drive retainer from the computer• If you are replacing an optical drive, do the following:a. Disconnect cables from the rear of the optical drive, press the release button 1 , and then slidethe optical drive out of the chassis.Figure28. Removing the optical driveb. Remove the optical drive retainer from the left side of the optical drive.70 ThinkStation P410 User Guide