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 contains the Dell system BIOS update and is supported on Dell Latitude E7270 and E7470 for Windows and DOS operating systems. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. This package contains the update for CPU microcode to address Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).
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Fixes & Enhancements

Fixes:
- Fixed the issue where the hard disk drive (HDD) password gets bypassed after shutting the system down.
- Fixed the issue where a large Dell logo and inappropriate menu is displayed in Intel AMT remote management.
- Fixed the TPM configuration on a TPM startup error during resuming from sleep mode.
- Fixed a potential issue where system stops responding when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS pre-boot password) prompt.
- Updated CPU microcode to address security advisory Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).
- Updated Intel ME Firmware to address security advisories - INTEL-SA-00112 (CVE-2018-3628 CVE-2018-3629 CVE-2018-3632 ), INTEL-SA-00118(CVE-2018-3627), INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00131 (CVE-2018-3643 CVE-2018-3644) & INTEL-SA-00141 (CVE-2018-3657 CVE-2018-3658 CVE-2018-3616).

Enhancements:
- Added TPM PPI Bypass for Clear Command support.
- Updated Embedded Controller Engine Firmware.
Read More

Version

1.20.3, 1.20.3

Release date

24 Oct 2018

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.
Available formats

File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_E7x70_1.20.3.exe
File Size: 9.54 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:
5a5f420f3b69d285de0c94ad375fbd14
SHA1:
ebdeaeff5fe205256103b63558310b30502a6385
SHA-256:
9c8110b2aa522a16f0be64a6e5a4ce6cffa09ec23852b4a409fcff0768e592a1

File Format: External release notes
File Name: Latitude_E7x70_1.20.3.txt
File Size: 15.33 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:
a426704b5da5e5fbedce0604aa4cc4a5
SHA1:
7238d0333fc7087931dd6498dbf6bf2af1e1260b
SHA-256:
bc790be33ef889d2346d52f7b3ebcd766bcd247bddf05e6e04ff68441b426071

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

Additional details

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Dell Latitude E7270
Dell Latitude E7470
Note 1: You must provide a bootable DOS USB drive. This executable file does not create the DOS system files.
Note 2: Ensure that you suspend BitLocker encryption before updating BIOS on a BitLocker-enabled system. If you do not enable BitLocker on your system, you can ignore this step.

Updating the BIOS through Windows
1. Click Download File, to download the file.
2. When the File Download window is displayed, click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and double-click the new file.
Windows System restarts automatically and update BIOS at the system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with Legacy boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and 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 file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with UEFI boot mode (Non-Windows users, Load Legacy Option Disabled)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing F2 key and go to Boot > Boot List Option.
3. Change UEFI to Legacy of Boot List Option.
4. Go to Exit > Exit Save Changes and reboot system.
5. Press F12 and then Select USB Storage Device and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After the BIOS update is finished, system will reboot automatically.
7. Go to BIOS Setup by pressing F2 key and go to Boot > Boot List Option.
8. Change Legacy to UEFI Boot Option.
9. Go to Exit > Exit Save Changes and reboot system.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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