Lenovo ThinkStation PX Manual page 13

3. Remove the top part of the M.2 carrier and place it upside down on a flat
surface. Remove the thermal pad plastic film as well as the screw used to
secure the M.2 drive to the M.2 carrier.
Remove plastic film
4. Install the M.2 drive at a slight 15-degree angle in the M.2 slot of the
carrier.
Caution: Be careful not to use excessive force to risk breaking the M.2 slot.
Remove M.2 screw
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