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: E6420A16.exe
File size: 5.84 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 44804641c88e5bc920e979108a5e502e
SHA1: 5bce07406d901ff3c7784b66ffa190f9cc440f9f
SHA-256: c73f9e1f7d81d789716e6f7876b7a3b5a20abffd5ee3e97010eb0b9a60d35f20
Fixes & Enhancements
Fixes/Enhancements
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1. Addressed long delay before Pre-Windows Login with Full Disk Encryption (FDE) Hard Drives in AHCI mode
2. Addressed IDE-R issue in ATA and AHCI mode.
3. Addressed no external video during POST with some external monitors.
4. Fixed issue where touch panel would fail if you boot through F12 boot menu.
5. Updated to the 75.19.6A.01.01 version of the nVidia VBIOS.
Important Information
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.
Supported Operating Systems
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 E6420A16.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.
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Run the BIOS update utility from Windows environment
1. Double click the Icon on your desktop labeled E6420A16.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 DOS USB key. This executable file does not create the DOS system files.
1. Copy the file E6420A16.exe to a bootable DOS USB key.
2. Boot from the floppy to the DOS prompt.
3. Run the file by typing Y:\E6420A16.exe (where y is the drive letter where the executable is located).
Reboot will be required
Applies to
Dell Latitude E6420/E6420