Dell Precision 7520 Owner's Manual page 32

d. base cover
e. hard drive
f. keyboard
g. hard drive cable
h. secondary memory
i. primary memory
j. WLAN card
k. WWAN card
l. M.2 SSD card
m. graphic card
n. power connector port
o. palmrest
p. I/O board (left)
q. I/O board (right)
r. heat sink
3. To disconnect and remove the eDP cable:
a. Remove the M2.5x5.0 screw that secure the shield to the system board [1].
b. Lift the metal shield away from the eDP cable [2].
c. Disconnect the eDP cable [3].
d. Lift the tab and disconnect the power connector cable [4].
4. To remove system board:
a. Remove the M2.5X5.0 screws that secure the system board [1].
b. Slide and lift system board from the computer [2].
32 Disassembly and reassembly