Dell Latitude 5280 Owner's Manual

Installing system board

1. Align the system board with the screw holders on the computer.
2. Tighten the M2*3 screws to secure the system board to the computer.
3. Place the metal bracket to secure the DisplayPort over USB Type-C.
4. Tighten the M2*3 screws to secure the metal bracket on the DisplayPort over USB Type-C.
5. Connect the power connector port cable to the connector on the system board.
6. Connect the display cables to the connectors on the system board.
7. Place the metal bracket to secure the display cable.
8. Tighten the M2*3 screw to secure the metal bracket.
9. Connect the following cables:
   1. touchpad
   2. USH board
   3. LED board
10. Install the:
    1. chassis frame
    2. heat sink assembly
    3. coin cell battery
    4. memory module
    5. SSD card
    6. WLAN card
    7. WWAN card(optional)
    8. hard drive assembly(optional)
    9. keyboard
    10. keyboard trim
    11. battery
    12. base cover
    13. SIM card
11. Follow the procedure in After working inside your computer.