Dell Inspiron 15R (5520 / 7520) USB Circuit Board Removal and Installation


In this Dell laptop tutorial we are going to show you how to install and replace the USB Circuit Board on your Dell Inspiron 15R (5520 / 7520) 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 Dell Inspiron 15R (5520 / 7520) USB 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 screw driver
  • 1 x small plastic scribe
Inspiron 7520 usb

Dell Laptop Replacement Parts Needed

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Inspiron 15R 7520 usb

Video tutorial repair manual



Installation and Removal Instructions
Dell Inspiron 15R (5520 / 7520) USB Circuit Board

Slide the latches over and lift the battery out.

Step 1

  • Slide the latches over and lift the battery out.
Loosen the screws and remove the access door (cannot be removed).

Step 2

  • Loosen the screws and remove the access door (cannot be removed).
Remove the optical drive screw (1 x M2.5 x 5mm).

Step 3

  • Remove the optical drive screw (1 x M2.5 x 5mm).
  • Slide the optical drive out of the laptop.
Remove the optical drive screw (1 x M2.5 x 5mm).Slide the optical drive out of the laptop.
Remove the hard drive screws (4 x M2.5 x 5mm).

Step 4

  • Remove the hard drive screws (4 x M2.5 x 5mm).
  • Using the tab, slide the hard drive out of the laptop.
Remove the hard drive screws (4 x M2.5 x 5mm).Using the tab, slide the hard drive out of the laptop.
Separate the clips and remove the memory stick.

Step 5

  • Separate the clips and remove the memory stick.
  • Separate the clips and remove the second memory stick.
Separate the clips and remove the memory stick.Separate the clips and remove the second memory stick.
Remove screws under battery (4 x M2x2.5mm).

Step 6

  • Remove screws under battery (4 x M2x2.5mm).
  • Remove the screws on bottom base (5 x M2.5x6mm).
  • Remove the screws under the DVD optical drive (2 x M2 x 3mm).
Remove screws under battery (4 x M2x2.5mm).Remove the screws on bottom base (5 x M2.5x6mm).Remove the screws under the DVD optical drive (2 x M2 x 3mm).
Turn the laptop over and open it up.

Step 7

  • Turn the laptop over and open it up.
  • Using a small flathead screwdriver, press in the 4 keyboard latches and lift the keyboard up.
  • Unplug the keyboard cable.
Turn the laptop over and open it up.Using a small flathead screwdriver, press in the 4 keyboard latches and lift the keyboard up.
Remove the top palmrest screws (6 x M2.5 x 5mm).

Step 8

  • Remove the top palmrest screws (6 x M2.5 x 5mm).
  • Unplug the 3 palmrest cables.
Remove the top palmrest screws (6 x M2.5 x 5mm).Unplug the 3 palmrest cables.
Using a scribe or a flathead screwdriver, separate the palmrest from the laptop base.

Step 9

  • Using a scribe or a flathead screwdriver, separate the palmrest from the laptop base.
  • Unplug the cable under the palmrest.
Using a scribe or a flathead screwdriver, separate the palmrest from the laptop base.Unplug the cable under the palmrest.
Remove the DC jack bracket screws (2 x M2.5 x 5mm).

Step 10

  • Remove the DC jack bracket screws (2 x M2.5 x 5mm).
  • Remove the DC jack bracket.
  • Unplug the DC jack cable & remove the DC jack.
Remove the DC jack bracket screws (2 x M2.5 x 5mm).Remove the DC jack bracket.
Unplug the fan cable.

Step 11

  • Unplug the fan cable.
  • Remove the fan from the laptop.
Unplug the SD card reader cable.

Step 12

  • Unplug the SD card reader cable.
  • Unplug the speaker cable.
Unplug the SD card reader cable.Unplug the speaker cable.
Remove the motherboard screws (2 x M2.5 x 5mm).

Step 13

  • Remove the motherboard screws (2 x M2.5 x 5mm).
  • Remove the motherboard.
Unplug and loosen the wireless antenna cables.

Step 14

  • Unplug and loosen the wireless antenna cables.
  • Unplug and loosen the display cable.
  • Remove the WLAN Wi-Fi card screw (1 x M2 x 3mm).
  • Remove the WLAN Wi-Fi card.
Unplug and loosen the wireless antenna cables.Unplug and loosen the display cable.
Remove the left hinge screws (3 x M2.5 x 5mm).

Step 15

  • Remove the left hinge screws (3 x M2.5 x 5mm).
  • Remove the right hinge screws (2 x M2.5 x 5mm).
  • Remove the display assembly.
Remove the left hinge screws (3 x M2.5 x 5mm).Remove the right hinge screws (2 x M2.5 x 5mm).
Remove the USB circuit board screws (1 x M2.5 x 5mm).

Step 16

  • Remove the USB circuit board screws (1 x M2.5 x 5mm).
  • Lift the USB circuit board out of the laptop.
Inspiron 7520 usb

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 7520 usb

Topics: Dell Laptop Repair Dell Repair Manuals Inspiron 15R (5520) Inspiron 15R (7520) USB Circuit Board USB Circuit Board

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