Lenovo ThinkCentre 2697 User Manual page 70

6. Press the blue retaining clip to remove the mSATA solid state drive storage converter out of the chassis.
Figure 42. Removing the mSATA solid state drive storage converter
7. Remove the two screws that secure the mSATA solid state drive from the storage converter.
Figure 43. Removing the screws that secure the mSATA solid state drive
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ThinkCentre User Guide