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_1.16.4.exe
File size: 9.13 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 46c4756149f318d6cc23cd0779a81e65
SHA1: e5367b741c871319ecb94806bbe44e54a53d6511
SHA-256: bb841e1d5c4d97f969b9c20be137707c40c4ebf1af942fc29ed9fbda4ed4cf8d
Fixes & Enhancements
Fixes:
- Fixed sometimes boot loop issue when Trusted Execution is enabled in the BIOS setup.
- Fixed USB keyboard and mouse not working when Bitlocker enabled.
- Fixed internal LCD hexagonal grid issue.
- Fixed system show blue screen after resume from sleep with HDD password set and AHCI SATA mode.
- Fixed Bitlocker can't be enabled on TPM 1.2 systems with Windows 7 OS.
Enhancements:
- Updated Intel processor microcode.
- Updated Intel Trusted Execution Technology ACM.
Supported Operating Systems
Installation instructions
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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.
Applies to
Dell Latitude E7270
Dell Latitude E7470