Dell Latitude E5420 VGA / USB Circuit Board Removal and Installation


In this Dell laptop tutorial we are going to show you how to install and replace the VGA / USB Circuit Board on your Latitude E5420 laptop. These installation instructions have be made into 31 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Latitude E5420 VGA / 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 screwdriver
  • 1 x small plastic scribe

Dell Laptop Replacement Parts Needed

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Video tutorial repair manual



Installation and Removal Instructions
Latitude E5420 VGA / USB Circuit Board

Slide the latches over to unlock the battery.

Step 1

  • Slide the latches over to unlock the battery.
Slide the latches over to unlock the battery.Slide the latches over to unlock the battery.
Lift the battery out of the laptop.

Step 2

  • Lift the battery out of the laptop.
Lift the battery out of the laptop.Lift the battery out of the laptop.
Slide the door down and remove the door.

Step 3

  • Remove the screws.
  • Slide the door down and remove the door.
Slide the door down and remove the door.Remove the screws.Remove the screws.
Slide the optical drive out of the laptop.

Step 4

  • Remove the screw.
  • Slide the optical drive out of the laptop.
Slide the optical drive out of the laptop.Remove the screw.Remove the screw.
Separate the clips and remove memory stick A.

Step 5

  • Separate the clips and remove memory stick A.
Separate the clips and remove memory stick A.Separate the clips and remove memory stick A.
Separate the clips and remove memory stick B.

Step 6

  • Separate the clips and remove memory stick B.
Separate the clips and remove memory stick B.Separate the clips and remove memory stick B.Separate the clips and remove memory stick B.
Using the pull tab, lift the hard drive out of the laptop.

Step 7

  • Remove the hard drive screws.
  • Using the pull tab, lift the hard drive out of the laptop.
Using the pull tab, lift the hard drive out of the laptop.Remove the hard drive screws.Remove the hard drive screws.
Remove the screw.

Step 8

  • Unplug the antenna cables.
  • Remove the screw.
Remove the screw.Unplug the antenna cables.
Remove the wireless card.

Step 9

  • Remove the wireless card.
Remove the wireless card.Remove the wireless card.
Remove the bottom keyboard screws.

Step 10

  • Remove the bottom keyboard screws.
Remove the CPU door.

Step 11

  • Remove the screws.
  • Remove the CPU door.
Remove the CPU door.Remove the screws.Remove the screws.
Unplug the DC jack cable.

Step 12

  • Unplug the DC jack cable.
Remove & clean the heatsink.

Step 13

  • Loosen the heatsink screws.
  • Remove & clean the heatsink.
Remove & clean the heatsink.Loosen the heatsink screws.Loosen the heatsink screws.
Loosen the wireless antenna cables.

Step 14

  • Loosen the wireless antenna cables.
Turn the laptop over and open it up.

Step 15

  • Remove the bottom palmrest screws.
  • Turn the laptop over and open it up.
Carefully pry up and unsnap the keyboard bezel.

Step 16

  • Carefully pry up and unsnap the keyboard bezel.
Carefully pry up and unsnap the keyboard bezel.Carefully pry up and unsnap the keyboard bezel.Carefully pry up and unsnap the keyboard bezel.
Carefully lift the keyboard up.

Step 17

  • Remove the keyboard screws.
  • Carefully lift the keyboard up.
Carefully lift the keyboard up.Remove the keyboard screws.Remove the keyboard screws.
Remove the keyboard.

Step 18

  • Unplug the keyboard cable.
  • Remove the keyboard.
Remove the keyboard.Unplug the keyboard cable.
Unplug the palmrest cables.

Step 19

  • Remove the palmrest screws.
  • Unplug the palmrest cables.
Unplug the palmrest cables.Remove the palmrest screws.
Unsnap & remove the palmrest starting on the left or right side.

Step 20

  • Unsnap & remove the palmrest starting on the left or right side.
Unsnap & remove the palmrest starting on the left or right side. Unsnap & remove the palmrest starting on the left or right side.
Unplug the cable.

Step 21

  • Remove the screw.
  • Unplug the cable.
Unplug the cable.Remove the screw.
Remove the LED circuit board.

Step 22

  • Remove the LED circuit board.
Remove the LED circuit board.Remove the LED circuit board.
Loosen the plastic.

Step 23

  • Pull the antenna cables through the base.
  • Loosen the plastic.
  • Unplug & loosen the LCD cables.
Loosen the plastic.Unplug & loosen the LCD cables.Pull the antenna cables through the base.
Remove the right hinge screws.

Step 24

  • Remove the left hinge screws.
  • Remove the right hinge screws.
  • Remove the display assembly.
Remove the right hinge screws.Remove the display assembly.Remove the left hinge screws.
Remove the left support bracket.

Step 25

  • Remove the screws.
  • Remove the left support bracket.
Remove the left support bracket.Remove the screws.Remove the screws.
Remove the right support bracket.

Step 26

  • Remove the screws.
  • Remove the right support bracket.
Remove the right support bracket.Remove the screws.Remove the screws.
Remove the express card reader.

Step 27

  • Remove the screws.
  • Remove the express card reader.
Remove the express card reader.Remove the screws.Remove the screws.
Unplug the USB audio circuit board cables.

Step 28

  • Unplug the bluetooth cable.
  • Unplug the USB audio circuit board cables.
Unplug the USB audio circuit board cables.Unplug the bluetooth cable.
Unplug the fan cable.

Step 29

  • Unplug the speaker cable.
  • Unplug the fan cable.
Unplug the fan cable.Unplug the speaker cable.
Remove the motherboard.

Step 30

  • Remove the motherboard screws.
  • Remove the motherboard.
Remove the motherboard.Remove the motherboard screws.Remove the motherboard screws.
Remove the circuit board.

Step 31

  • Remove the screws.
  • Remove the circuit board.
Remove the circuit board.Remove the screws.Remove the screws.

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
Latitude E5420 usb

Topics: Dell Latitude Repair Manuals Dell Laptop Repair Dell Repair Manuals Latitude E5420 VGA / USB Circuit Board

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