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 E5270/E5470/E5570 and Precision 3510 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 E5270/E5470/E5570 and Precision 3510 for Windows and DOS Operating Systems.
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Fixes & Enhancements

Fixes:
- Fixed legacy E-dock behavior when power on system with LID close.
- Fixed Free Fall Sensor application shows disabled when both HDD and SSD attached.
- Fixed PXE boot issue in legacy mode via DA200
- Fixed "Clear TPM" Option may sometimes be greyed out in BIOS setup.
- Fixed "Enable Attempt Legacy Boot" item cannot be enabled in BIOS setup.
- Fixed detect incorrect memory size on Win7 x64 OS
- Fixed incorrect WWAN device status in BIOS setup menu.

Enhancements:
- Updated Intel Processor Micro code.
- Enhanced LAN supportability for Dell dock
- Updated Embedded Controller Engine Firmware.
- Reduced boot time at non Intel Management Engine supported environment.
- Improve Dell Dock and External USB setting behavior.
Read More

Version

1.12.6, 1.12.6

Release date

14 Mar 2017

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_E5x70_Precision_3510_1.12.6.exe
File Size: 12.92 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:
87a46da530c2d43c309d30cf678dc0ac
SHA1:
76e755de31c01c9130ee481aec1cc46815620940
SHA-256:
3888e1e1a8eaa024c51cb413e36343f63749d527bda1ba9eacf1db8f1f8a3fbd

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

Additional details

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Dell Latitude E5270/E5470/E5570, Precision 3510
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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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