Dell Inspiron N5040 System Board Removal

1. Before removing the System Board:

• Ensure that the work surface is level and protected to prevent either the surface or the computer from being scratched.
• Make sure the system is powered off by either shutting down the system through the operating system or by manually holding the power button.
• Ensure that all attached devices are powered off.
• Disconnect all external cables from the computer.
• Remove the Battery  from the system.
• Remove the Keyboard  from the system.
• Remove the Optical Drive  from the system.
• Remove the Palm Rest  from the system.
• Remove the Heat Sink  from the system.
• Remove the Processor  from the system.

2. Disconnect the LCD data cable from the system board.

3. Release any antenna cables from the routing channel.

4. Disconnect the microphone cable.

5. Disconnect the speaker cable.

6. Open the USB daughter board cable securing clip.

 7. Disconnect the USB daughter board cable.

8. Disconnect the DC-in cable.

 9. Remove the three screws securing the system board to the chassis.









10. Lift up the system board at an angle and remove.

11. Complete.