Dell Latitude E6420 Mute and Volume Buttons Circuit Board Removal and Installation


In this Dell laptop tutorial we are going to show you how to install and replace the Mute and Volume Buttons Circuit Board on your Dell Latitude E6420 laptop. These installation instructions have be made into 12 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Dell Latitude E6420 Mute and Volume Buttons 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

Dell Laptop Replacement Parts Needed

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Latitude E6420 Audio Circuit Board

Video tutorial repair manual



Installation and Removal Instructions
Dell Latitude E6420 Mute and Volume Buttons Circuit Board

Slide the battery latches towards the outside of the laptop until they click.

Step 1

  • Slide the battery latches towards the outside of the laptop until they click.
  • Lift the battery out of the laptop.
Slide the battery latches towards the outside of the laptop until they click.Lift the battery out of the laptop.
Remove the hard drive screws (3 x M3 x 3mm).

Step 2

  • Remove the hard drive screws (3 x M3 x 3mm).
  • Slide the hard drive out of the laptop.
Remove the hard drive screws (3 x M3 x 3mm).Slide the hard drive out of the laptop.
Press in the optical drive latch until it clicks and ejects.

Step 3

  • Press in the optical drive latch until it clicks and ejects.
  • Using the latch, slide the optical drive out.
Press in the optical drive latch until it clicks and ejects.Using the latch, slide the optical drive out.
Remove the bottom base cover screws (5 x M3 x 5mm).

Step 4

  • Remove the bottom base cover screws (5 x M3 x 5mm).
  • Remove the bottom keyboard screws (2 x M2 x 8mm).
  • Lift the bottom base cover off of the laptop.
Remove the bottom base cover screws (5 x M3 x 5mm).Remove the bottom keyboard screws (2 x M2 x 8mm).
Unplug the WWAN antenna cables.

Step 5

  • Unplug the WWAN antenna cables.
  • Remove the WWAN screw (1 x M2 x 3mm).
  • Remove the WWAN card.
Unplug the WWAN antenna cables.Remove the WWAN screw (1 x M2 x 3mm).
Remove the bottom palmrest screws (10 x M2.5 x 8mm).

Step 6

  • Remove the bottom palmrest screws (10 x M2.5 x 8mm).
Unsnap the keyboard bezel, starting at the top of the keyboard, working your way around the edges and to the bottom. You may need a flat head screwdriver to get the bezel started.

Step 7

  • Unsnap the keyboard bezel, starting at the top of the keyboard, working your way around the edges and to the bottom. You may need a flat head screwdriver to get the bezel started.
Remove the keyboard bezel.

Step 8

  • Remove the keyboard bezel.
Remove the keyboard screws (4 x M2 x 3mm).

Step 9

  • Remove the keyboard screws (4 x M2 x 3mm).
  • Turn the keyboard over and unplug the keyboard cable.
  • Remove the keyboard.
Remove the keyboard screws (4 x M2 x 3mm).Turn the keyboard over and unplug the keyboard cable.
Unplug the palmrest cables.

Step 10

  • Unplug the palmrest cables.
Remove the top palmrest screws (2 x M2.5 x 5mm).

Step 11

  • Remove the top palmrest screws (2 x M2.5 x 5mm).
  • Carefully unsnap and remove the palmrest.
Remove the top palmrest screws (2 x M2.5 x 5mm).Carefully unsnap and remove the palmrest.
Remove the mute and volume buttons circuit board screws (2 x M2 x 3mm).

Step 12

  • Remove the mute and volume buttons circuit board screws (2 x M2 x 3mm).
  • Unplug the mute and volume buttons circuit board cable.
  • Remove the mute and volume buttons 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
Latitude E6420 Audio Circuit Board

Topics: Dell Laptop Repair Dell Repair Manuals Audio Circuit Board Latitude E6420

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