Latitude 7490 Owner's Manual

Installing system board

1. Align the system board with the screw holders on the system.
2. Replace the M2.0 x 3.0 screws to secure the system board to the system.
3. Connect the speaker, LED board, coin cell battery, touchpad, and USH cables, and power connector, cables to the connectors on the system board.
4. Connect the eDP cable to the connector on the system board.
5. Place the metal bracket over the eDP cable and replace the M2.0 x 3.0 screws to secure it.
6. Place the metal bracket over the memory module connectors and replace the M2.0 x 3.0 screws to secure it to the system.
   NOTE Replacement system boards do not include the SIM card tray (if available), USB Type-C bracket, and DDR ESD bracket and must be transferred.
7. Install the heat sink.
8. Install the WLAN card.
9. Install the WWAN card.
10. Install the PCIe SSD card.
11. Install the memory module.
12. Connect the battery cable to the connector on the system board.
13. Install the base cover.
14. Install the dummy SIM card tray.
15. Install the SIM card.
16. Follow the procedure in After working inside your computer.