Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

Dell Vostro 5459 System BIOS

This package provides the Dell System BIOS update and is supported on Dell Vostro 5459 for Windows and DOS Operating Systems.

Fixes & Enhancements

[Fixes]
- Fixed a potential security issue with Bootguard code integrity chaining enforcement.
[Enhancements]
- Updated processor microcode.

Version

Version 1.0.9, 1.0.9

Category

BIOS

Release date

29 Jun 2017

Last Updated

29 Jun 2017

Importance

Available formats

File Format: Windows/DOS
File Name: 5459_109.EXE
Download Type: HTTP
File Size: 8.15 MB
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:
65b2d22757d129b1b06a8ebc8cf412dd
SHA1:
875d27a17061c44c61598df2dde839ac0e264879
SHA-256:
a2c92d37134d3fbaa764bf76a4dc51475125181c5a660ec83d9a654962261919

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

Dell Vostro 5459
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 "Boot > Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Go to "Exit > Exit 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 "Boot > 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.

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