Dell Inspiron 15 (3520) How-To Install & Replace Your Heatsink

By on November 6, 2024 · 9:24 am
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In this Dell laptop tutorial we are going to show you how to install and replace the Heatsink on your Inspiron 15 (3520) laptop. These installation instructions have been made into 6 easy to follow printable steps. We have also created a video tutorial that shows you how to install your Inspiron 15 (3520) Heatsink.

Before you begin

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

Tools needed for this laptop repair

  • 1 x Phillips #0 screwdriver
  • 1 x small plastic scribe
Inspiron 3520 Heatsink

Dell Laptop Replacement Parts Needed

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Eligible for $5.00 1st Class Shipping.
Only 6 left in stock - order soon.
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Inspiron 15 3520 Heatsink

Video tutorial repair manual



Installation and Removal Instructions
Inspiron 15 (3520) Heatsink

Before you begin: If you need help at any point, you can always contact Parts-People Repair Department for help with your diagnosis or repair.

Step 1

Unscrew the bottom base cover (6 x M2 x 5mm) (2 x captive screws).

Step 2

  • Unscrew the bottom base cover (6 x M2 x 5mm) (2 x captive screws).
  • Use a plastic scribe to separate and remove the Bottom Base Cover.
Unscrew the bottom base cover (6 x M2 x 5mm) (2 x captive screws).Use a plastic scribe to separate and remove the Bottom Base Cover.Unscrew the bottom base cover (6 x M2 x 5mm) (2 x captive screws).Unscrew the bottom base cover (6 x M2 x 5mm) (2 x captive screws).
Disconnect the battery cable.

Step 3

  • Disconnect the battery cable.
Unscrew and remove the Heatsink (4 x

Step 4

Unscrew and remove the Heatsink (4 x Unscrew and remove the Heatsink (4 x
BEFORE REPLACING HEATSINK: Wipe away any old thermal paste from the CPU and heatsink.

Step 5

  • BEFORE REPLACING HEATSINK: Wipe away any old thermal paste from the CPU and heatsink.
  • ***NOTE: Make sure to not touch the heat transfer areas on the heatsink and processors. The oils on your skin can reduce the heat transfer capability of the thermal paste.
BEFORE REPLACING HEATSINK: Wipe away any old thermal paste from the CPU and heatsink.***NOTE: Make sure to not touch the heat transfer areas on the heatsink and processors. The oils on your skin can reduce the heat transfer capability of the thermal paste.BEFORE REPLACING HEATSINK: Wipe away any old thermal paste from the CPU and heatsink.
Apply a small amount of new thermal paste to the processors.

Step 6

  • Apply a small amount of new thermal paste to the processors.
  • Replace the heatsink.
  • ***FOLLOW THE ORIGINAL STEPS IN REVERSE TO REASSEMBLE YOUR LAPTOP.
Apply a small amount of new thermal paste to the processors.Replace the heatsink.***FOLLOW THE ORIGINAL STEPS IN REVERSE TO REASSEMBLE YOUR LAPTOP.Apply a small amount of new thermal paste to the processors.
Inspiron 3520 Heatsink

Dell Laptop Replacement Parts Needed

RFF51 Image
Eligible for $5.00 1st Class Shipping.
Only 6 left in stock - order soon.
DIY Discount - Parts-People.com offers 5% off to all DO-IT-YOURSELFERS!
Use this coupon code to save 5% off these parts
DIYM514
Inspiron 15 3520 Heatsink

Topics: Dell Inspiron Repair Manuals Dell Laptop Repair Dell Repair Manuals Heatsink Inspiron 15 (3520)

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