Dell Inspiron N5040 Heatsink Removal

1. Before removing the Heat Sink:

• 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

2. Disconnect the LCD data cable and the heat sink cable from the system board.

3. Loosen the three screws.

4. Lift up the heat sink and remove.

5. Complete.