Dell Latitude 3420 (P144G001) CMOS Battery Removal Tutorial

By on December 7, 2021 · 7:37 pm
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In this Dell laptop tutorial we are going to show you how to install and replace the CMOS Battery 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 CMOS Battery.

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 Battery

Dell Laptop Replacement Parts Needed

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Latitude 3420 Battery

Video tutorial repair manual



Installation and Removal Instructions
Latitude 3420 CMOS Battery

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 remove bracket (3 x M2 x 3mm).

Step 3

  • Unscrew and remove bracket (3 x M2 x 3mm).
Unscrew and remove bracket (3 x M2 x 3mm).Unscrew and remove bracket (3 x M2 x 3mm).
Disconnect and remove CMOS.

Step 4

  • Disconnect and remove CMOS.
Disconnect and remove CMOS.Disconnect and remove CMOS.

Topics: Dell Latitude Repair Manuals Dell Laptop Repair Dell Repair Manuals CMOS Battery Latitude 3420

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