To remove the solid state drive on a Latitude 5440, identify the drive highlighted in blue. Remove the screws that secure the SSD bracket on the system board. Lift the solid state drive thermal shield off the system and slide and lift the drive off the system.
To reinstall the SSD, identify the drive location highlighted in blue and slide the drive into the slot on the system board. Align the screw holes on the drive's bracket with the screw holes on the system board. Install the screws to secure the SSD.