Driver Details

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 Latitude E6420 System BIOS

This package provides the Dell System BIOS update and is supported on Latitude E6420 / E6420 ATG model running the following Operating Systems: Windows and DOS.

Fixes & Enhancements

Fixes
- Not applicable.

Enhancements
- Enhanced hard disk master password algorithm.

Version

Version A23, A23

Category

BIOS

Release date

19 Jan 2016

Last Updated

19 Jan 2016

Importance

Available formats

File Format:Windows/DOS
File Name:E6420A23.exe
Download Type:HTTP
File Size: 5 MB
Format DescriptionThis 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:
bba099a36b03bf39fd41b23748c9413d
SHA1:
9194b37d6f6f43ac4776dd3f1f678cf79f00f390
SHA-256:
866dc75492238c0a48eaf8408ee12c567cc3d09bfd948615ade00aadcbb64fe0

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

Other versions
A22,A22 30 Sep 20159:44:58 AM
A21,A21 23 Dec 20133:15:18 AM
A19,A19 16 Jul 20136:42:43 AM
A17,A17 22 Mar 20133:33:35 AM
A16,A16 11 Jan 20136:12:09 AM
A15,A15 28 Sep 201210:12:42 AM
A14,A14 29 Aug 20125:00:16 PM
A13,A13 11 Jun 20127:35:07 AM
A12,A12 12 Apr 20124:18:35 PM
Applies to
Dell Latitude E6420/E6420
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 (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.

--------------------------------------------------------------------------------
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.
Important Information
Note:
1. Please note that if the A04 or before A04 BIOS is currently installed on your system, you must first update to A05 BIOS and then flash to the latest A-rev BIOS.
A05 link: http://www.dell.com/support/drivers/us/en/04/DriverDetails?driverId=G10JR

2. Please note that if the A05 or after A05 BIOS and before A08 is currently installed on your system, you must first update to A08 BIOS and then flash to the latest A-rev BIOS.
A08 link: http://www.dell.com/support/drivers/us/en/04/DriverDetails?driverId=CNH63
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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.

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This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).