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: E5450A19.exe
File size: 8.61 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 1621e4ab9e0f0b5b5daf09ba4afb03a0
SHA1: fd9b8c1b354efdc8e907f12c0d3eb0e777d40094
SHA-256: 909ba99977df550b82e7acc1e57907bfc890a7a296a3e5c371c50723c1ca8492
Fixes & Enhancements
- Updated to the latest CPU microcode to address CVE-2017-5715 and associated Intel Reboot issue
Important Information
- Once the BIOS is updated, you cannot downgrade it to version A02 or before.
- It is recommended that you use systems with e-dock socket.
Supported Operating Systems
Installation instructions
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_E5450_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Latitude_E5450_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.