Lenovo 4749 [B545] Personal Computer User Manual


 
55
User Guide
6. Push a small iron stick (paper clip) into the small hole on the optical drive cover
so that the disk springs out as shown.
7. Remove the 2 screws that secure the optical drive to the metal bracket.
8. Use a small flat head screwdriver to press and push out the pins that secure the
cover to the disk.
9. Separate the cover from the defective optical drive.