Dell Latitude 5590 Owner's Manual page 16

NOTE: System shipped with NVMe SSDs, the SSD do not require removal of mylar shield.
b Remove the SSD screw (1) that secures the SSD card to the system board .
c Lift and pull the SSD card from the laptop [3].
NOTE: For models shipped with NVMe SSDs, remove the thermal plate placed over the SSD.
4 To remove the SSD clip:
a Remove the M2.0x3.0 screw that secures the SSD clip to the laptop [1].
b Lift the SSD clip away from the laptop [2].
16 Removing and installing components