Dell Latitude 7490 Owner's Manual page 41

3. Remove the dummy SIM card
4. Remove the base cover.
5. Disconnect the battery cable from the connector on the system board.
6. Remove the memory module.
7. Remove the PCIe SSD.
8. Remove the WLAN card.
9. Remove the WWAN card.
10. Remove the heat sink
To identify the screws, seescrew
11. To remove the memory module bracket:
a. Remove the two (M2.0 x 3.0) screws that secure memory module bracket to the system board [1].
b. Lift the memory module bracket from the system board [2].
12. To disconnect the eDP
13. To disconnect the cables:
To disconnect the speaker, LED board, coin cell battery, and the power connector port cables, use a plastic
NOTE:
scribe to release the cables from the connectors. Do not pull the cable as it may result in breakage.
a. speaker cable [1]
b. LED board cable [2]
c. coin cell battery cable [3]
d. touchpad cable and USH board cable [4]
e. power connector port [5]
tray.
assembly.
list.
cable:display assembly
Removing and installing components 41