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: LatitudeE5X70_Precision3510_1.3.8.exe
File size: 12.94 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 59a9d60e9587d46ce8e51ab3deb6fddc
SHA1: b1cb54dcf7b27161e6b9d614380c5cc624dc87fc
SHA-256: 561ea02f947170d1582bbcc2c50ab5aabfc23e3ca9e846a6d1ec3d5ec4e416ac
Fixes & Enhancements
Fixes:
- Fix the USB KB/Mouse not to work smoothly in Windows 7 with attaching in the Dell Thunderbolt Dock.
- Not to display the error message "Multiple docking stations are not simultaneously" from attaching the Dell Thunderbolt Dock.
Enhancements:
- Updated Intel CPU microcode.
- Updated the system Embedded Controller Firmware.
Important Information
Important:
- You can not be allowed to downgrade to under 1.2.3 BIOS if you update your BIOS above the 1.3.5 version due to Security concern and stability concern.
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.
Reboot will be required
Applies to
Dell Latitude E5270/E5470/E5570, Precision 3510