Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Latitude E7440 System BIOS

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package provides the Dell System BIOS update and is supported on Dell Latitude E7440 for Windows and DOS Operating Systems.
To view all drivers for your Latitude E7440, go to Drivers and downloads.
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E7440A21.exe | 9.52 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: E7440A21.exe
File Size: 9.52 MB
Format Description
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
33b6e642d626eaaab8724319122ba53d
SHA1:
7e7550e4fdbe177809c7a5b30eef5792ec570bca
SHA-256:
ca571e808a1f8bfa8040a7883853bedd219fb191903c1ee6e5f60826cba8fd52

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Fixes:
- Fixed multi core number can not set in DPO (Dell Precision Optimizer) issue.

Enhancements:
- Updated Intel ME Firmware to address security advisory CVE-2017-5689 / INTEL-SA-00075.
Read More

Version

A21, A21

Release date

23 May 2017

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.

Additional details

Show All | Hide All
A2806 Dec 2019
A2731 Oct 2018
A2501 Mar 2018
A2227 Oct 2017
A2006 Jan 2017
A1804 May 2016
A1709 Dec 2015
A1609 Sept 2015
A1527 May 2015
A1405 Feb 2015
A1315 Jan 2015
A1208 Dec 2014
A1004 Jul 2014
A0825 Feb 2014
A0707 Jan 2014
A0529 Oct 2013
A0418 Sept 2013
A0302 Sept 2013
A0102 Aug 2013
Dell Latitude E7440
BIOS Update Executable for Windows/DOS

Download
1. Click "Download File", to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment, if Legacy Boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment if UEFI Boot Mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Click "Apply", "Exit" to save changes and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS update finished, system will auto reboot .
8. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
9. Change "Legacy" to "UEFI" Boot Option.
10. Click "Apply", "Exit" to save changes and reboot system.

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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