Dell Latitude E5420 System BIOS, A03
Latitude E5420 System BIOS A03
| Release Date: | 10/18/2011 |
| Importance: | Recommended |
| Version: | A03 |
The following formats are available for the file you have selected
| File Format: | Windows/DOS |
Download File
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| File Name: |
E5420A03.exe |
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| 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: | 2MB | |
Previous Versions
No previous version available.
Description
Latitude E5420 System BIOS A03
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:
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.
Compatibility
| Systems Latitude E5420 | Operating Systems BIOS |
Applies to
- Latitude E5420 System BIOS
Fixes & Enhancements
Systems: Dell Latitude E4520 Series
Version: A03
Build Date: 2011/09/21
Fixes/Enhancements
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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 battery temperature sensor throttling CPU at high temperature when external power.
6. Fixed issue where Video memory size limited to 256MB in WinXp.
7. Fixed issue where Free Fall Sensor protection doesn't work after resuming from S3.
8. Fixed issue where TPM measurements were not correct when authenticating via PBA.
9. Updated Intel ME Firmware to 7.1.20.1119.
10.Added support for Signed Firmware Update Transition BIOS
Installation Instructions
Custom Instructions for E5420A03.exe:
Installation Instructions for the Universal (Windows/ DOS) format
- Download file to Desktop
- Use one of the methods below to flash the Bios.
Download file to Desktop
The file E5420A03.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 E5420A03.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 E5420A03.exe to a bootable floppy.
- Boot from the floppy to the DOS prompt.
- Run the file by typing Y:\E5420A03.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.
This is an optional process and is not required for the downloading and installation of device drivers from this site.
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MD5:
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f98784abf405ebff56b229dee8b05642
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E5420A03.exe
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SHA1:
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Not Available
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E5420A03.exe
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SHA-256:
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Not Available
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E5420A03.exe
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