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 E6420 System BIOS A19

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.
Latitude E6420 System BIOS A19
To view all drivers for your Latitude E6420, go to Drivers and downloads.
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E6420A19.exe | 5.87 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: E6420A19.exe
File Size: 5.87 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:
f847057e1abef181ed68df23762a39ae
SHA1:
5ae2bd40f087f2c93efd322f85dbd877dbf45715
SHA-256:
aed8a9f6070b3f38214d55ae807a17458e97c1fa1916101c4b2c0b09ae70cdcf

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

1. Updated to the 1.5.33 version of the Intel PXE OROM.
2. Addressed Trusted Execution issue with CCTK on non-TPM configuration.
3. Addressed extenal USB keyboard LED abnormal issue.
4. Addressed UEFI OS fail boot with HDD password present issue.
Read More

Version

A19, A19

Release date

16 Jul 2013

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.

Additional details

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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.
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.
A2527 Mar 2018
A2319 Jan 2016
A2230 Sep 2015
A2123 Dec 2013
A1722 Mar 2013
A1611 Jan 2013
A1528 Sep 2012
A1429 Aug 2012
A1311 Jun 2012
A1207 Mar 2012
Dell Latitude E6420/E6420
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)
NOTE: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable DOS USB key.
2. Boot from the USB key to the DOS prompt.
3. Run the file by typing copied file name where the executable is located

Reboot will be required

Need help with BIOS issues?

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

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