Dell Inspiron 15 (3520) How-To Install & Replace Your I/O Circuit Board

By on November 5, 2024 · 10:23 am
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In this Dell laptop tutorial we are going to show you how to install and replace the I/O Circuit Board 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) I/O Circuit Board.

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 I O Circuit Board

Dell Laptop Replacement Parts Needed

4HXM9 Image
Eligible for $5.00 1st Class Shipping.
Only 7 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
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Inspiron 15 3520 I O Circuit Board

Video tutorial repair manual



Installation and Removal Instructions
Inspiron 15 (3520) I/O Circuit Board

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 lift the left LCD hinge (2 x M2.5 x 5mm).

Step 4

  • Unscrew and lift the left LCD hinge (2 x M2.5 x 5mm).
Unscrew and lift the left LCD hinge (2 x M2.5 x 5mm).Unscrew and lift the left LCD hinge (2 x M2.5 x 5mm).
Unclip the locking tab and disconnect the I/O board cable.

Step 5

  • Unclip the locking tab and disconnect the I/O board cable.
Unclip the locking tab and disconnect the I/O board cable.Unclip the locking tab and disconnect the I/O board cable.
Unscrew and remove the I/O Circuit Board (3 x 2mm x 3.5mm).

Step 6

  • Unscrew and remove the I/O Circuit Board (3 x 2mm x 3.5mm).
  • ***FOLLOW THE ORIGINAL STEPS IN REVERSE TO REASSEMBLE YOUR LAPTOP.
Unscrew and remove the I/O Circuit Board (3 x 2mm x 3.5mm).***FOLLOW THE ORIGINAL STEPS IN REVERSE TO REASSEMBLE YOUR LAPTOP.Unscrew and remove the I/O Circuit Board (3 x 2mm x 3.5mm).
Inspiron 3520 I O Circuit Board

Dell Laptop Replacement Parts Needed

4HXM9 Image
Eligible for $5.00 1st Class Shipping.
Only 7 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 I O Circuit Board

Topics: Dell Inspiron Repair Manuals Dell Laptop Repair Dell Repair Manuals I/O Circuit Board Inspiron 15 (3520)

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