Dell Inspiron 3520 CPU Processor Removal and Installation

Created by Roscoe Dyer on October 2, 2021

In this Dell laptop tutorial we are going to show you how to install and replace the CPU Processor on your Inspiron 3520 laptop. These installation instructions have be made into 11 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Inspiron 3520 CPU Processor .

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 small phillips head screwdriver
1 x small flat head screwdriver
1 x plastic scribe (optional)

Inspiron 3520 CPU CPU

Dell Laptop Replacement Parts Needed

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Inspiron 3520 CPU Processor

Video tutorial repair manual

Installation and Removal Instructions
Inspiron 3520 CPU Processor

Slide the battery latch to the left and the battery out.

Step 1

Slide the locking latch over.
Slide the battery latch to the left and the battery out.

Under the battery, remove the hinge cover screw.

Step 2

Remove the 2 hard drive screws.
Under the battery, remove the hinge cover screw.

Step 3

Remove the 11 bottom palmrest screws.

Press in the 4 keyboard clips to loosen the keyboard.

Step 4

Turn the laptop over and open it up.
Press in the 4 keyboard clips to loosen the keyboard.

Step 5

Carefully lift the keyboard and turn it over.
Unplug the keyboard cable.

Loosen the 2 top palmrest screws. You will not be able to remove them completely.

Step 6

Loosen the 2 top palmrest screws. You will not be able to remove them completely.

Carefully unsnap and lift off the palmrest.

Step 7

Unplug the 2 palmrest cables.
Carefully unsnap and lift off the palmrest.

Step 8

Unplug the fan cable.
Unplug the LCD cable.

Carefully lift the heatsink fan off of the motherboard.

Step 9

Loosen the 4 heatsink screws.
Carefully lift the heatsink fan off of the motherboard.

Step 10

Turn the CPU Locking screw counterclockwise approximately 180 degrees, or until the CPU is loose.
Remove the CPU.

Installation note 2: Tighten the heatsink screws in the order listed on the heatsink.

Step 11

Installation note 1: Make sure to replace thermal compound or thermal pads on the CPU and heatsink.
Installation note 2: Tighten the heatsink screws in the order listed on the heatsink.