Dell Inspiron 15R 5521 (P28F001) USB IO Circuit Board Removal Tutorial

By on January 11, 2021 · 6:27 pm
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In this Dell laptop tutorial we are going to show you how to install and replace the USB IO Circuit Board on your Inspiron 15R 5521 laptop. These installation instructions have be made into 10 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Inspiron 15R 5521 USB IO 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 small phillips head screwdriver
  • 1 x flat head screwdriver
  • 1 x small plastic scribe (optional)
Inspiron 5521 Circuit Board

Dell Laptop Replacement Parts Needed

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Inspiron 15R 5521 Circuit Board

Video tutorial repair manual



Installation and Removal Instructions
Inspiron 15R 5521 USB IO Circuit Board

Slide the latches over.

Step 1

  • Slide the latches over.
  • Remove the battery.
Slide the latches over.Remove the battery.
Remove the 1 - M2.5 x 5mm optical drive screw.

Step 2

Remove the 1 - M2.5 x 5mm optical drive screw.Slide the optical drive out of the laptop.
Loosen the screws (cannot be removed).

Step 3

  • Loosen the screws (cannot be removed).
  • Lift and remove the access door off of the laptop.
Loosen the screws (cannot be removed).Lift and remove the access door off of the laptop.
Remove the 12 - M2.5 x 5mm bottom palmrest screws.

Step 4

  • Remove the 12 - M2.5 x 5mm bottom palmrest screws.
Turn the laptop over and open it up.

Step 5

  • Turn the laptop over and open it up.
  • Using a plastic scribe or flat head screwdriver, press in the keyboard latches at the top of the keyboard.
Lift the keyboard and turn it over.

Step 6

  • Lift the keyboard and turn it over.
  • Unplug the keyboard cable.
  • Remove the keyboard.
Lift the keyboard and turn it over.Unplug the keyboard cable.
Unplug the palmrest cables.

Step 7

  • Unplug the palmrest cables.
  • Remove the 5 - M2.5 x 5mm palmrest screws and the 2 - M2 x 3mm palmrest screws.
Unplug the palmrest cables.Remove the 5 - M2.5 x 5mm palmrest screws and the 2 - Unplug the palmrest cables.
Carefully lift and pry the right edge of the palmrest.

Step 8

  • Carefully lift and pry the right edge of the palmrest.
  • Work your way around the bottom edge and side.
  • Remove the palmrest
Unplug the USB circuit cable.

Step 9

  • Unplug the USB circuit cable.
  • Loosen the USB circuit cable.
Unplug the USB circuit cable.Loosen the USB circuit cable.
Remove the 1 - M2 x 3mm USB circuit board screw.

Step 10

Remove the 1 - M2 x 3mm USB circuit board screw.Remove the USB circuit board.
Inspiron 5521 Circuit Board

Dell Laptop Replacement Parts Needed

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 15R 5521 Circuit Board

Topics: Dell Inspiron Repair Manuals Dell Laptop Repair Dell Repair Manuals Circuit Board Inspiron 15R (5521)

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