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Driver Details

Link
Latitude E6420XFR System BIOS
Latitude E6420XFR System BIOS A15
Release Date 9/28/2012
Importance: Recommended
Version: A15

The following formats are available for the file you have selected

File Format: Windows/DOS Download File Download File
File Name:

XFR20A15.exe

Description: This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from Windows XP, Windows 2000, NT, Windows 9X, Windows ME or a MS DOS environment.
Download Type: HTTP
File Size: 5MB

Previous Versions

No previous version available.

Description

Latitude E6420XFR System BIOS A15

Level of Importance:Recommended

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).

Important Information

Note: 1. Please note that if the A01 or before A01 BIOS is currently installed on your system, you must first update to A02 BIOS and then flash to the latest A-rev BIOS. 2. Please note that if the A03 or after A03 BIOS and before A09 is currently installed on your system you must first update to A09 BIOS and then flash to the latest A-rev BIOS.

Compatibility

Systems
Latitude E6420 XFR
Operating Systems
BIOS

Applies to

  • LATITUDE E6420 XFR SYSTEM BIOS

Fixes & Enhancements

Fixes/Enhancements ------------------ 1. Addressed F12 administrator boot options issue. 2. Addressed no external video during POST when docked.

Installation instructions

            
Installation Instructions for the Universal (Windows/ DOS) format

1. Download file to Desktop

2. Use one of the methods below to flash the Bios.

   Run the BIOS update utility from Windows environment

   Run the BIOS update utility from  DOS environment (Non-Windows users)


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Download file to Desktop

The  file XFR20A15.exe is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.


  1. Click Download now.The File Download window appears.

  2. Click the Save button.The Save As window appears.

  3. Select Desktop using the drop-down menu to the right of Save in.

  4. Click the Save button.A progress meter moves as the download is completed.

  5. If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.

NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded. 

--------------------------------------------------------------------------------
Run the BIOS update utility from Windows environment


  1. Double click the Icon on your desktop labeled XFR20A15.exe.The Dell BIOS Flash window appears 

  2. Click the Continue button.The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears. 

  3. Click the OK button.The system will restart and the BIOS Flash will be completed.


Run the BIOS update utility from  DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS diskette. This executable file does not create the  DOS system files. 

  1. Copy the file XFR20A15.exe to a bootable floppy.

  2. Boot from the floppy to the  DOS prompt.

  3. Run the file by typing Y:\XFR20A15.exe (where y is the drive letter where the executable is located).            
        

Checksum

To ensure the integrity of your download, please verify the checksum value.

This is an optional process and is not required for the downloading and installation of device drivers from this site.
MD5:
3a035cb809fd646e4ecde061c90236b7
XFR20A15.exe
SHA1:
a4aac0aec81223b7532afa542c2bc39d337e08f8
XFR20A15.exe
SHA-256:
a00d835a4093ada531c0d97b67e62c697ae2e3b10b8dd3548a90276e192d8080
XFR20A15.exe

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