Dell Latitude 5490 User Manual (English)

Daniel BradfordJul 26, 2025

What to do if my Dell Latitude 5490 battery is swollen?

M
Michael PowersJul 26, 2025
If you observe that the Lithium-ion battery in your Dell Laptop is swollen, immediately stop using the laptop. Disconnect the AC adapter and allow the battery to fully discharge. It is important to replace the swollen battery and dispose of it correctly. If the battery is covered under warranty, contact Dell product support to explore replacement options. You can return the battery to Dell in approved shipping container, if it's under warranty. Otherwise, take the swollen battery to an approved recycling center for disposal.

Dell Latitude 5490 Specifications

General

RAM	Up to 32GB DDR4
Storage	Up to 1TB SSD
Graphics	Intel UHD Graphics 620
Operating System	Windows 10 Pro
Battery	4-cell 68WHr
Processor	i5-8250U, i7-8650U
Display	14-inch FHD (1920 x 1080) Anti-Glare
Weight	Starting at 1.6 kg (3.52 lbs)
Ports	USB 3.1, USB Type-C, HDMI, RJ-45, SD Card Reader
Wireless	Intel Dual Band Wireless-AC 8265, Bluetooth 4.2

Summary

Working on Your Computer

Safety Precautions

Details the primary steps to be taken before performing any disassembly instructions.

Standby Power

Explains how to handle standby power before opening the case and discharging residual power.

Bonding

Describes the method of connecting grounding conductors to the same electrical potential using an ESD kit.

Electrostatic Discharge (ESD) Protection

Explains ESD concerns, types of damage (catastrophic/intermittent), and component sensitivity.

Removing and Installing Components

Recommended Tools

Lists the tools required for component removal and installation procedures.

Screw Size List

Provides a table detailing screw sizes for various components of the Latitude 5490.

Subscriber Identity Module (SIM) Board

Instructions for removing and installing the SIM card tray and SIM card.

Base Cover

Detailed steps for removing and installing the system's base cover.

Battery

Precautions and procedures for removing and installing the lithium-ion battery.

Solid State Drive (SSD)

Instructions for removing and installing the SSD card and SSD frame.

Hard Drive

Procedures for removing and installing the system's hard drive.

Coin-Cell Battery

Steps for removing and installing the coin-cell battery.

WLAN Card

Instructions for removing and installing the wireless local area network (WLAN) card.

WWAN Card

Procedure for removing and installing the wireless wide area network (WWAN) card.

Memory Modules

Steps for removing and installing memory modules (RAM).

Keyboard Lattice and Keyboard

Instructions for removing and installing the keyboard lattice and the keyboard itself.

Heat Sink

Procedure for removing and installing the heat sink for the UMA model.

System Fan

Steps for removing and installing the system fan for the UMA model.

Power Connector Port

Instructions for removing and installing the power connector port.

Chassis Frame

Procedures for removing and installing the system's chassis frame.

SmartCard Module

Steps for removing and installing the smart card reader board.

Speaker

Instructions for removing and installing the speaker modules.

System Board

Detailed steps for removing and installing the system board.

Display Hinge Cover

Procedures for removing and installing the display hinge covers.

Display Assembly

Steps for removing and installing the entire display assembly.

Display Bezel

Instructions for removing and installing the display bezel.

Display Panel

Steps for removing and installing the display panel.

Display (eDP) Cable

Procedures for removing and installing the display (eDP) cable.

Camera

Steps for removing and installing the system's camera module.

Display Hinges

Instructions for removing and installing the display hinges.

Display Back Cover Assembly

Procedures for removing and installing the display back cover assembly.

Palm Rest

Steps for removing and installing the palm rest assembly.

Technical Specifications

Processor

Details the Intel Dual and Quad Core processors supported by the system.

Memory

Specifies the memory capacity, slots, and types supported by the computer.

Storage Specifications

Lists the types and capacities of storage devices supported by the system.

Audio Specifications

Details the audio controller, types, and interfaces for the system's audio.

Video Specification

Describes integrated and discrete video controller specifications and external display support.

Camera Option

Lists the detailed camera specifications for the system.

Ports and Connectors

Details the available USB and Video ports on the system.

Contacted Smart Card Specifications

Specifies the supported contacted smart card technologies.

Display Specification

Details the size, resolution, and viewing angles of the display panels.

Keyboard Specifications

Provides details on the number of keys, size, and backlit keyboard options.

Touchpad Specifications

Details the dimensions, interface, and supported gestures for the touchpad.

Battery Specifications

Lists battery types, voltages, life span, temperature ranges, and coin cell.

AC Adapter Specifications

Details adapter types, input/output voltages, currents, and temperature ranges.

System Dimensions

Provides the weight and dimensions of the system in pounds and inches.

Operating Conditions

Lists the operating and storage temperature and humidity conditions.

Technology and Components

Power Adapter

Information about the power adapter type, connectors, and warnings.

Kaby Lake - 7th Generation Intel Core Processors

Details the features of 7th Gen Intel Core processors.

Kaby Lake Refresh - 8th Generation Intel Core Processors

Details the features of 8th Gen Intel Core processors.

DDR4

Explains DDR4 memory technology, its differences from DDR3, and features.

HDMI 1.4

Explains HDMI 1.4 features, advantages, and supported audio/video.

USB Features

Details the evolution of USB technology and transfer rates.

USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)

Explains USB 3.0/3.1 Gen 1 features, speed, and technical changes.

Advantages of DisplayPort over USB Type-C

Lists the advantages of DisplayPort over USB Type-C.

USB Type-C

Describes the USB Type-C connector and its capabilities.

USB Power Delivery

Explains USB Power Delivery specification and its implications for charging.

System Setup Options

BIOS Overview

Explains the role of BIOS in managing data flow between the computer and devices.

Entering BIOS Setup Program

Steps to enter the BIOS setup program by pressing F2 during boot.

Navigation Keys

Describes how to navigate through the System Setup options using keys.

One Time Boot Menu

Instructions to access the one-time boot menu using F12.

Boot Sequence

Allows bypassing System Setup to boot directly to a specific device.

System Setup Overview

Explains what System Setup allows users to do, like changing configurations or setting passwords.

Accessing System Setup

Detailed steps on how to access the System Setup program.

General Screen Options

Lists primary hardware features like System Information, Battery Information, and Boot Sequence.

System Configuration Screen Options

Details options for configuring integrated NIC, SATA, Drives, USB, Audio, etc.

Video Screen Options

Allows setting the display brightness.

Security Screen Options

Options for setting Admin, System, HDD, and Strong Passwords.

Secure Boot Screen Options

Enables or disables the Secure Boot feature and manages security keys.

Intel Software Guard Extensions

Specifies providing a secured environment for running code/storing sensitive information.

Performance Screen Options

Options for Multi Core Support, Intel SpeedStep, C-States, and Turbo Boost.

Power Management Screen Options

Options for AC behavior, Auto On Time, USB Wake Support, and battery charging.

POST Behavior Screen Options

Settings for adapter warnings, keypad emulation, fastboot, and error handling.

Manageability

Options for USB Provision and MEBx Hotkey.

Virtualization Support Screen Options

Enables or disables Intel Virtualization Technology and VT for Direct I/O.

Wireless Screen Options

Controls for wireless switch and enabling internal wireless devices.

Maintenance Screen Options

Options for Service Tag, Asset Tag, and BIOS Downgrade.

Software

Operating System Configurations

Lists the operating systems supported by the system.

Drivers and Downloads

Information on downloading and installing drivers and related FAQs.

Troubleshooting

Handling Swollen Lithium-ion Batteries

Guidelines for handling and replacing swollen lithium-ion batteries.

Enhanced Pre-Boot System Assessment (ePSA) Diagnostics

Details on launching and running the ePSA diagnostics for hardware checks.

Running the ePSA Diagnostics

Methods to invoke the ePSA diagnostics for system hardware checks.

Built-in Self-Test (BIST)

Explains M-BIST and LCD BIST for system board and screen diagnostics.

LCD Power Rail Test (L-BIST)

Describes L-BIST diagnostics for LCD power rail failures.

System Diagnostic Lights

Explains battery-status light codes and their associated problems.

Recovering the Operating System

Information on using Dell SupportAssist OS Recovery for system recovery.

Real Time Clock Reset

Steps to reset the Real Time Clock (RTC) to recover from No POST/No Boot issues.

Backup Media and Recovery Options

Recommendations for creating recovery drives for Windows.

WiFi Power Cycle

Procedure to perform a WiFi power cycle to resolve connectivity issues.

Drain Residual Flea Power (Perform Hard Reset)

Steps to drain residual flea power for safety and troubleshooting.

Contacting Dell

Provides information on how to contact Dell for sales, technical support, or customer service.

Dell Latitude 5490 User Manual

Table of Contents

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