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The most helpful knowledge articles for your product are included in this section.

Dell Laptop Battery - Frequently Asked Questions

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Learn about batteries on a Dell laptop PC. Find answers to common questions like charging, discharging, warranty status, battery health, battery maintenance, etc. Note: Like most laptops, Dell ...

Last Modified: 09 Jan 2020

Article ID: SLN128667

How to Troubleshoot Dell Laptop Battery Issues

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Learn how to optimize the battery life, troubleshoot and resolve battery issues, run a diagnostic on a laptop battery and answers to some frequently asked questions about Dell laptop batteries.

Last Modified: 09 Jan 2020

Article ID: SLN292953

Dell Latitude E5440 System Guide

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Quick Links Getting Started with your Dell System System Documentation - User Guides/Manuals Find your Service Tag and Express Service Code Dell Drivers and Downloads Warranty Status and Service ...

Last Modified: 01 Nov 2019

Article ID: SLN285307

Dell Client Statement on Intel ME/TXE Advisory (INTEL-SA-00086)

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Overview Dell is aware of the Intel® ME/TXE Elevation of Privileges vulnerabilities. Dell is diligently working to update the affected platforms. Firmware update details for these platforms will ...

Last Modified: 21 Oct 2019

Article ID: SLN308237

Microprocessor Side-Channel Vulnerabilities (CVE-2017-5715, CVE-2017-5753, CVE-2017-5754): Impact on Dell products

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CVE ID: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754 Dell is aware of the side-channel analysis vulnerabilities, known as Meltdown and Spectre, affecting many modern microprocessors that were ...

Last Modified: 11 Oct 2019

Article ID: SLN308587


Manuals and Documents

Manuals, documents, and other information for your product are included in this section.


Regulatory Information

Learn More

Regulatory Information for your product is included in this section.

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Dell Latitude E5440Regulatory Model P44GRegulatory Type P44G001

DELL Regulatory and Environmental Datasheet
DELL Regulatory and Environmental Datasheet

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Videos

Videos for your product are included in this section.See Video Tutorials

Featured Video 08 Aug 2019 01:17
How to Find Your Service Tag (00:00:22)

Your service tag uniquely identifies your system. Here's how to find it on laptop, desktop and all-in-one (AiO) systems. For more eSupport video visit dell.com/supportvideo.