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 E5430 System BIOS

Restart required AUTO 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 contains the Dell system BIOS update. BIOS is a firmware that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This driver addresses the Intel security advisory INTEL-SA-00115. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.
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Fixes & Enhancements

Fixes:
- Fixed a potential issue where the system stops responding when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS preboot password) prompt.
- Firmware updates to address the security advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).

Enhancements:
- Added BIOS Password Feature: Master Password Lockout
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Version

A21, A21

Release date

09 Jan 2019

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information

File Format: CPG BIOS Executable for Windows/DOS
File Name: 5430A21.exe
File Size: 8.46 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:
2e08d23187fa31bc9dd4d7ddd19fa2d7
SHA1:
be6ae641d3e57944ca4b7c6feae96b428eab4515
SHA-256:
be0dc32f132a7e577f6f06ad21dea9e3c2d6b95c314e65caaee65a42bf3a8c49

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

Additional details

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Dell Fast Boot BIOS Feature:
The Dell Windows 8 released BIOS adds a new feature that is called Fast Boot.
When upgrading from a Pre-Windows 8 released BIOS to a Windows 8 released BIOS this feature will be set in Thorough mode.
Setting this feature in minimal causes USB devices/ports to be disabled in the pre-OS environment.
If you are dependent on USB devices in the pre-OS environment this setting should remain in the Thorough mode setting.

Upgrading and Downgrading between Currently Released BIOS Images (Pre-Windows 8 released BIOS) and Windows 8 Feature Enhanced BIOS Images (Windows 8 released BIOS)
Upgrading: The new Windows 8 released BIOS contains new features and behavior, but the upgrade process for you is still unchanged.
Run the EXE application and the BIOS handles incorporating the new features and logic with your current settings.
After the upgrade, you will immediately see that one of the visible changes is the logo screen during boot, which only displays the logo at a larger size with no other information or text.
Dell Latitude E5430
Updating the BIOS from Windows

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.

Download and Installation
1. Click Download File, to download the file.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and double-click the new 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 (Non-Windows users)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com. If BitLocker is not enabled on your system, you can ignore this step.
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_E5430 _X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Latitude_E5430 _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. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com. If BitLocker is not enabled on your system, you can ignore this step.
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.
Dell Fast Boot BIOS Feature:

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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