Lenovo IdeaCentre B550 Hardware Maintenance Manual page 40

Step 4. Remove the rear cover. Refer to "Removing the rear cover".
Step 5. Push down the pin that locks the optical disk drive to the chassis then use the screwdriver push
the disk out.
Step 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.
Step 7. Remove the 2 screws that secure the optical drive to the metal bracket.
Step 8. Use a small flat head screwdriver to press and push out the pins that secure the cover to the
disk. 2 3
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IdeaCentre B550–B555Hardware Maintenance Manual
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