Lenovo ThinkStation P7 Manual page 8

1. Open the side cover of the P7 and remove any PCIe adapters that may
interfere with accessing the onboard M.2 slots.
2. Rotate the red latch counterclockwise to release the M.2 carrier.
3. Tilt the front side of the M.2 carrier up slightly and pull to the right to
remove it from the socket.
Caution: Tilting the carrier to an angle greater than about 20° can damage
the socket.
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