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,SW,BIOS,LAT,E6420/ATG,A12,A12

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 A12
To view all drivers for your Latitude E6420, go to Drivers and downloads.
Recommended
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E6420A12.exe | 5.83 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: E6420A12.exe
File Size: 5.83 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:
aa1da0750bea9063f522714b84e535cd
SHA1:
612a5980a460e37e602b3f241db8a8bbefe4b732
SHA-256:
Not available

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

Fixes & Enhancements

Fixes/Enhancements
------------------
1. Updated to the 1.3.81 version of the Intel PXE OROM.
2. Updated to the 7.1.31.1147 version of the Intel MEFW.
3. Updated the DellFlashUpdate feature.
4. Addressed boot order change issue.
Read More

Version

A12, A12

Release date

07 Mar 2012

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

Show All | Hide All
A2527 Mar 2018
A2319 Jan 2016
A2230 Sep 2015
A2123 Dec 2013
A1916 Jul 2013
A1722 Mar 2013
A1611 Jan 2013
A1528 Sep 2012
A1429 Aug 2012
A1311 Jun 2012
Dell Latitude E6420/E6420

Need help with BIOS issues?

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

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