Dell Precision 7740 Service Manual page 42

d. Remove the single (M2.0x3.0) screw that secures the thermal plate to the SSD assembly [1].
e. Remove the thermal plate away from the SSD assembly [2].
f. Remove the single (M2.0x3.0) screw that secures M.2 SSD to the SSD holder [3].
g. Remove the M.2 SSD from the SSD holder [4].
4. To remove the M.2 SSD module (Slot 3, 5 or 6):
a. Remove the single (M2.0x3.0) screw that secures the thermal plate to the system [1].
b. Slide and remove the thermal plate [2].
c. Remove the single (M2.0x3.0) screw that secures the M.2 SSD to the system board [3].
d. Remove the M.2 SSD from the system [4].
NOTE: Repeat the above steps for removal of other M.2 SSD installed.
42 Removing and installing components