Dell Latitude 3420 (P144G001) I/O Board Removal Tutorial


In this Dell laptop tutorial we are going to show you how to install and replace the I/O Board on your Latitude 3420 laptop. These installation instructions have be made into 4 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Latitude 3420 I/O 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
Latitude 3420 I O Board

Dell Laptop Replacement Parts Needed

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Latitude 3420 I O Board

Video tutorial repair manual



Installation and Removal Instructions
Latitude 3420 I/O Board

Unscrew and remove Bottom Base (8 X captive screws).

Step 1

  • Unscrew and remove Bottom Base (8 X captive screws).
Unscrew and remove Bottom Base (8 X captive screws).Unscrew and remove Bottom Base (8 X captive screws).Unscrew and remove Bottom Base (8 X captive screws).
Unscrew and disconnect Battery (3 x M2 x 3mm).

Step 2

  • Unscrew and disconnect Battery (3 x M2 x 3mm).
Unscrew and disconnect Battery (3 x M2 x 3mm).Unscrew and disconnect Battery (3 x M2 x 3mm).Unscrew and disconnect Battery (3 x M2 x 3mm).
Unscrew and lift left hinge (2 x M2.5 x 5mm) (1 x

Step 3

Unscrew and lift left hinge (2 x M2.5 x 5mm) (1 x Unscrew and lift left hinge (2 x M2.5 x 5mm) (1 x Unscrew and lift left hinge (2 x M2.5 x 5mm) (1 x
Unscrew and disconnect I/O Board (2 x M2 x 3mm) (1 x

Step 4

Unscrew and disconnect I/O Board (2 x M2 x 3mm) (1 x Unscrew and disconnect I/O Board (2 x M2 x 3mm) (1 x Unscrew and disconnect I/O Board (2 x M2 x 3mm) (1 x Unscrew and disconnect I/O Board (2 x M2 x 3mm) (1 x

Topics: Dell Latitude Repair Manuals Dell Laptop Repair Dell Repair Manuals I/O Board Latitude 3420

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