Download Files
File Format: 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.
File Name: Latitude_E7x70_1.18.5.exe
File size: 9.48 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 5d0fb6f667743ba346b71047c5384920
SHA1: 118dfeb371dc15b21d289aa3e2862160cd95de8b
SHA-256: 5521f5c266aa8d83db67990d9d57a99055bd235e4faff089bb806da922d1f85e
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: Latitude_E7x70_1.18.5.txt
File size: 12.86 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 77e40bd6df27a88f28004e75c87a3acd
SHA1: ab4b3a34c05d5d75c28a7a1cdb9c0cdeb230070f
SHA-256: b4ed19879570884ffbb5b8e6fc5062942f56970057c05c5e140af7e99b37fcdf
Fixes & Enhancements
- Update to the latest CPU microcode to address CVE-2017-5715.
- Updated Intel ME Firmware to address security advisories INTEL-SA-00086 (CVE-2017-5705, CVE-2017-5708, CVE-2017-5711 & CVE-2017-5712) and INTEL-SA-00101(CVE-2017-13077, CVE-2017-13078 & CVE-2017-13080).
- Updated the handling of preboot authentication information by firmware.
- Updated UEFI variable input validation.
- Updated the handling of third-party Option ROM loading.
- Updated SPI flash command configuration settings.
Supported Operating Systems
Installation instructions
Updating the BIOS from Windows
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Download and Installation
1. Click Download File, to download the file.
2. 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.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.
Updating the BIOS from DOS (Non-Windows users)
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Installation
Note: You must provide a bootable USB drive. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable USB drive.
2. Power on the system and then Press the F12 key.
3. Select USB Storage Device and boot to the DOS prompt.
4. Run the file by typing following command. For example:
C:\ Latitude_E7270_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Latitude_E7270_X.Y.Z.exe is the name of the downloaded file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.
Updating the BIOS from DOS with UEFI boot mode enabled (Non-Windows users, Load Legacy Option Disabled)
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Installation
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing the F2 key.
3. Go to General > Boot Sequence > Boot > Boot List Option.
4. Change UEFI to Legacy of Boot List Option.
5. Go to Exit > Save Changes and reboot system.
6. Press F12 and then select USB Storage Device and boot to the DOS prompt.
7. Run the file by typing the file name.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, the system restarts again.
8. Go to BIOS Setup by pressing the F2 key and go to General > Boot Sequence > Boot > Boot List Option.
9. Change Legacy to UEFI Boot Option.
10. Go to Exit > Save Changes, and reboot the system.
Applies to
Dell Latitude E7270
Dell Latitude E7470