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 E7270/E7470 System BIOS

Restart required 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 E7270/E7470 for Windows and DOS Operating Systems.
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Fixes & Enhancements

Fixes:
- Fixed system hang up when unplug/plug WD15 dock in BIOS setup.
- Fixed system password not prompted when booting the system with NVMe SSD.
- Fixed inappropriate string when update WD15 dock firmware.
- Fixed battery vendors name showing as unknown on Dell Power Manager.
- Fixed PCR7 unable to bind on TPM 1.2 system with Windows 10 OS.

Enhancements:
- Enhanced SMM Security Mitigation feature.
- Supported selectable MAC address passthrough feature on docks.
- Updated SPI ROM part flash command configuration settings to protect and secure the flash process.
- Updated Realtek USB LAN firmware.
- Updated Embedded Controller Engine Firmware.
Read More

Version

1.19.4, 1.19.4

Release date

12 Jun 2018

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats
File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_E7x70_1.19.4.exe
File Size: 9.53 MB
This is a large file. Depending on your connection speed, it may take some time to download.
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:
a5cd1e9c1fe00a8ad9d83e13f06509c8
SHA1:
fa66b077f3223a1f5256f6d41e9aecfa56463280
SHA-256:
7154126e8a21aa52529ee307cf504449928a0559dbe07427c7f0a1a7a65a03cf
File Format: External release notes
File Name: Latitude_E7x70_1.19.4.txt
File Size: 13.93 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
4aae0591e314c23a78c16a3e18315c5c
SHA1:
6e8b125c2cbf79974d77883b4616241a0ac49063
SHA-256:
87ce33b7e3899c61ffccbf37a75ec2257dd6cdecd01af692c686bc35a76d1ead

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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Dell Latitude E7270
Dell Latitude E7470
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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 with Load Legacy Option disabled (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. DOS system will auto restart and update BIOS while system startup screen.
8. After BIOS update finished, system will auto reboot.
9. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
10. Change "Legacy" to "UEFI" Boot Option.
11. Go to "Exit > Exit 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 guide

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