Lenovo ThinkStation P900 Hardware Maintenance Manual page 142

b. Remove the two screws that secure the clip to remove the plastic clip from the rear of the slim
optical drive.
Figure 38. Removing the plastic clip from the slim optical drive
4. Install the two screws to secure the plastic clip on the rear of the new slim optical drive.
Figure 39. Installing the plastic clip to the slim optical drive
5. Slide the new slim optical drive with the plastic clip into the flex module until the slim optical drive
snaps into position.
Figure 40. Installing the slim optical drive in the flex module
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ThinkStation P900 Hardware Maintenance Manual