Lenovo C240 All-in-One - Manual (Page 35)

Step 4. Push a small iron stick (paper clip) into the small hole on the optical drive cover so that the disk
springs out as shown.
1
Step 5. Remove the screw that secures the optical drive to the chassis. 2
Step 6. Slide out the optical drive as shown. 3
Step 7. Use a small flat head screwdriver to press and push out the pins that secure the cover to the
disk.
4 5
Step 8. Separate the cover from the defective optical drive.
Step 9. Install the new optical drive as follows:
Chapter 8 . Replacing hardware 29