Dell Latitude E6420 XFR System BIOS, A07

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.

Driver Id : R314391

Importance : Recommended

Version : A07, A07 Latest version Recommended version Latest and Recommended version

Release Date : 20 Oct 2011

Download Type : System BIOS

Category : BIOS

Latitude E6420 XFR A07 System BIOS

Download Files

File Format: 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.

File Name: XFR20A07.exe

File size: 5.79 MB

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

MD5: 1769e92dbb57b4dba3308126b2e7a9e4

Download .EXE

Fixes & Enhancements

Fixes/Enhancements
------------------
1. Addressed some express cards fail to be detected issue.
2. Addressed Hard Drives encryption issue in ATA mode.
3. Addressed some keyboard with USB Hub not accessible during POST.
4. Fixed issue where disabling webcam stops microphone from working.
5. Fixed issue where Video memory size limited to 256MB in WinXp.
6. Fixed issue where Free Fall Sensor protection doesn't work after resuming from S3.
7. Fixed issue where TPM measurements were not correct when authenticating via PBA.
8. Updated Intel ME Firmware to 7.1.20.1119.
9. Updated to the 1.3.76 version of the Intel PXE OROM.

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.

The BIOS release has been validated on the following operating systems:
1. Microsoft Windows 7
2. Microsoft Windows Vista Service Pack 2
3. Microsoft Windows XP Service Pack 3

Installation instructions

Installation Instructions for the Universal (Windows/ DOS) format

Download file to Desktop

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)

Download file to Desktop

The file XFR20A07.exe is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.

Click Download now.
The File Download window appears.

Click the Save button.
The Save As window appears.

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

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

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

Double click the Icon on your desktop labeled XFR20A07.exe.
The Dell BIOS Flash window appears

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

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.

Copy the file XFR20A07.exe to a bootable floppy.

Boot from the floppy to the DOS prompt.

Run the file by typing Y:\XFR20A07.exe (where y is the drive letter where the executable is located).

Dell Latitude E6420 XFR System BIOS, A07

Download Files

Fixes & Enhancements

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to