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: E5440A05.exe
File size: 8.34 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: d6c351f348203169f5bda6d63692c177
SHA1: aebfa57d579c10d66d0020263894427274189373
SHA-256: 443c51af73b626d78d155cb30da186b9387c7d31b21f465679d45833aa5ea83b
Fixes & Enhancements
Fixes
- Fixed AC Adapter wattage will not updated in BIOS setup when dock attach AC adapter.
- Fixed BIOS cannot determine AC power adapter wattage and type.
- Fixed wake on LAN problem. LAN with PXE not booting to PXE when HD is higher in boot order.
Enhancements
- Enhanced Intel CPU Microcode.
Supported Operating Systems
Installation instructions
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 (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. After BIOS update finished, system will auto reboot .
8. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
9. Change "Legacy" to "UEFI" Boot Option.
10. Click "Apply", "Exit" to 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