Lenovo ThinkStation PX Manual page 14

5. Push down on the M.2 drive and install the screw used to secure the M.2
drive to the M.2 carrier.
6. Install the top cover of the M.2 carrier and tighten all four (4) screws
needed to secure the top and the bottom of the M.2 carrier together.
Push down on M.2 drive
Screws
Install M.2 screw
14