Dell Latitude 3390 2-in-1 Heat Sink Replacement
ID: 200255
Description: The heatsink is responsible for drawing heat...
Steps:
- Power off the device and unplug all cables before beginning.
- Flip the laptop over so that the bottom side is facing up. Place it on a soft, static free surface to prevent damage.
- Use a Phillips #1 screwdriver to carefully remove all nine 6.7 mm-long screws securing the back cover.
- Insert an opening tool into the seam between the back cover and chassis.
- Pry around the perimeter of the back cover until it fully releases.
- Lift off the back cover slowly and set it aside.
- Avoid using metal tools, as they can scratch or damage the casing.
- Use a Phillips #0 screwdriver to remove the four 4 mm-long screws securing the battery.
- Disconnect the battery from the motherboard by gently pulling the connector straight out of its socket.
- Don't pull on the cable.
- Carefully lift out the old battery from its compartment, ensuring that no cables or connectors are pulled or damaged.
- The heat sink is located on the top center of the laptop and curves to connect to the fan.
- Remove the four 4 mm-long Phillips #0 screws that secure the heat sink.
- Carefully lift the heat sink out.