Dell Inspiron 15-3543 (P40F-001) Heatsink Removal and Installation


In this Dell laptop tutorial we are going to show you how to install and replace the Heatsink on your Inspiron 15-3543 (P40F-001) laptop. These installation instructions have be made into 16 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Inspiron 15 (3543) Heatsink.

Before you begin

Please take the time read the following safety guildlines when working on static sensitive electrical componets.
Dell repair manual service precautions

Tools needed for this laptop repair

  • 1 x small phillips head screwdriver
  • 1 x small plastic scribe

Dell Laptop Replacement Parts Needed

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Inspiron 15 3543 Inspiron 15 3543

Video tutorial repair manual



Installation and Removal Instructions
Inspiron 15 (3543) Heatsink

Remove the battery.

Step 1

  • Slide the latches over to unlock the battery.
  • Remove the battery.
Remove the battery.Slide the latches over to unlock the battery.Slide the latches over to unlock the battery.
Slide the optical drive out of the laptop.

Step 2

  • Remove the screw.(1 x M2.5 x 5mm)
  • Slide the optical drive out of the laptop.
Slide the optical drive out of the laptop.Remove the screw.Remove the screw.
Slide the access door down and remove it.

Step 3

  • Remove the screw.(1 x M2 x 3mm)
  • Slide the access door down and remove it.
Slide the access door down and remove it.Remove the screw.Remove the screw.
Slide the hard drive over and remove it.

Step 4

  • Remove the screw.(1 x M2 x 3mm)
  • Slide the hard drive over and remove it.
Slide the hard drive over and remove it.Remove the screw.
Remove the screw.

Step 5

  • Unplug the antenna cables.
  • Remove the screw.(1 x M2 x 3mm)
  • Remove the wireless card.
Remove the screw.Remove the wireless card.Unplug the antenna cables.Unplug the antenna cables.
Turn the laptop over and open it up.

Step 6

  • Remove the bottom base screws.(10 x M2.5 x 5mm)
  • Turn the laptop over and open it up.
Using a small flat head screwdriver, press in the keyboard latches and carefully remove and turn over the keyboard.

Step 7

  • Turn the laptop over and open it up.
  • Using a small flat head screwdriver, press in the keyboard latches and carefully remove and turn over the keyboard.
  • Unplug the keyboard cable.
  • Remove the keyboard.
Using a small flat head screwdriver, press in the keyboard latches and carefully remove and turn over the keyboard.Unplug the keyboard cable.Remove the keyboard.
Remove the screws.

Step 8

  • Unplug the palmrest touchpad cables.
  • Remove the screws.(3 x M2.5 x 5mm)
Remove the screws.Unplug the palmrest touchpad cables.
Carefully unsnap and remove the palmrest.

Step 9

  • Carefully unsnap and remove the palmrest.
Carefully unsnap and remove the palmrest.Carefully unsnap and remove the palmrest.
Remove the DC jack.

Step 10

  • Unplug the cable.
  • Remove the DC jack.
Remove the DC jack.Unplug the cable.Unplug the cable.
Loosen the antenna cables.

Step 11

  • Loosen the antenna cables.
Unplug the circuit board.

Step 12

  • Remove the screw.(1 x M2 x 3mm)
  • Unplug the circuit board.
Unplug the circuit board.Remove the screw.Remove the screw.
Remove the circuit board.

Step 13

  • Remove the screws.(2 x M2.5 x 5mm)
  • Remove the circuit board.
Remove the circuit board.Remove the screws.
Unplug & loosen the display cable

Step 14

  • Loosen the tape.
  • Unplug & loosen the display cable
Unplug & loosen the display cableLoosen the tape.Loosen the tape.
Remove the screws.

Step 15

  • Unplug the cables.
  • Remove the screws.(3 x M2.5 x 5mm)
  • Remove the motherboard.
Remove the screws.Remove the motherboard.Unplug the cables.Unplug the cables.
Unplug the cooling fan.

Step 16

  • Turn the motherboard over.
  • Unplug the cooling fan.
  • Loosen the heatsink screws.(Loosen only, cannot be removed)
  • Remove the heatsink.
Unplug the cooling fan.Loosen the heatsink screws.Remove the heatsink.Turn the motherboard over.

Dell Laptop Replacement Parts Needed

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Inspiron 15 3543 Inspiron 15 3543

Topics: Dell Inspiron Repair Manuals Dell Laptop Repair Dell Repair Manuals Inspiron 15 (3543)

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