Lenovo ThinkStation P520 Hardware Maintenance Manual page 199

Figure 162. Removing the slim optical drive from the flex module
b. Remove the two screws that secure the clip to remove the plastic clip from the rear of the slim optical
drive.
Note: The plastic clip and the two screws need to be reused to install a new slim optical drive.
Figure 163. Removing the plastic clip from the slim optical drive
6. To install a slim optical drive, do the following:
a. If no slim optical drive has been installed in the flex module before, press the two metal clips
remove the plastic clip with the two screws as shown. Remove the two screws.
Figure 164. Removing the plastic clip with the two screws
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Chapter 9 Hardware removal and installation
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