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 XPS L412Z System BIOS

Restart required 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.
This package provides the Dell System BIOS Update and is supported on Dell XPS L412Z for Windows and DOS Operating Systems.
To view all drivers for your XPS 14Z L412Z, go to Drivers and downloads.
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L412Z_A06.exe | 3.31 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: L412Z_A06.exe
File Size: 3.31 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:
5a6cdb7e5a8a57d38c6ed9f4a22651c6
SHA1:
46c7b2a3994a72edfaebf7edb2afc79d4762d84f
SHA-256:
1aceeaa32ef76ea4a09a689ec3a994079fa5eff973f501465423e4334fa36652

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

Fixes & Enhancements

Initial Release
Read More

Version

A06, A06

Release date

25 Oct 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

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A0510 May 2012
A0329 Feb 2012
Dell XPS system BIOS
BIOS Update Executable for Windows/DOS

Download
1. Click Download File, to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. After BIOS update finished, system will auto reboot to take effect.

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.

Reboot will be required

Need help with BIOS issues?

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

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