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Introduction

The battery provides a mobile power source for your laptop. Batteries will slowly lose capacity over time and replacing it can improve the lifespan of your laptop.

In this guide, we will show you how to install and replace the battery in your Dell Latitude 5490 laptop.

If your computer's charge does not last, you may need to replace the battery. An operational battery can restore your laptop to optimal condition.

What you need

Step 1 Removing Back Panel and Disconnecting Battery

Dell Latitude 5490 Battery Replacement, Removing Back Panel and Disconnecting Battery: step 1, image 1 of 3

Dell Latitude 5490 Battery Replacement, Removing Back Panel and Disconnecting Battery: step 1, image 2 of 3

Dell Latitude 5490 Battery Replacement, Removing Back Panel and Disconnecting Battery: step 1, image 3 of 3

Power off the laptop before beginning the disassembly process.
Close the device and flip the laptop over so the backplate is facing up.

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Step 2

Using a Phillips #0 Screwdriver, loosen all eight captive screws in the backplate.
You do not need to fully remove the screws. Instead, unscrew them until you can easily jostle the screws.

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Step 3

Using the spudger, pry the backplate from the laptop starting from external chassis (the back side of the laptop).
Continue prying in a clockwise direction around the backplate until it is able to be removed with just your hands.
Remove the backplate and put it aside for reassembly.

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Step 4

Using your finger, remove the battery connector using the handle found on top.
You do not need to remove the connector completely from the laptop. Doing so may result in damage to your computer. Instead, pull the handle so the connector is suspended above the pins.