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 L321X System BIOS

Restart required
This package provides the Dell System BIOS update and is suppported on Dell XPS L321X System BIOS models that are running the following Operating Systems: Windows and DOS.
To view all drivers for your XPS 13 L321X, go to Drivers and downloads.
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L321XA08.exe

File Format: CPG BIOS Executable for Windows/DOS
File Name: L321XA08.exe
File Size: 4.18 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:
ec804959cbb5d8b2bcbac6ba058dd96b
SHA1:
923211f79d28188ae65c0d8dcccdf676c06e3a4c
SHA-256:
249be36c6d036741ae2007cf7572531d663edf84a2ff0c02a3d28d3a1c73fb09

Fixes & Enhancements

Fixes
- Not applicable.

Enhancements
- Improved compatibility.
Read More

Version

A08, A08

Release date

04 Feb 2013

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

Show All | Hide All
A0429 Jun 2020
A0704 Sep 2012
A0611 Jul 2012
A0526 Jun 2012
A0315 Mar 2012
A0229 Feb 2012
Dell XPS L321X 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. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment, if Legacy Boot mode(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. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment, if UEFI Boot mode with Load Legacy Option disabled (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to Boot > Boot List Option
3. Change UEFI to Legacy of Boot List Option
4. Go to Exit > Exit Save Changes and reboot system.
5. Press F12, then Select USB Storage Device and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. DOS System will auto restart and update BIOS while system startup screen.
8. After BIOS update finished, system will auto reboot.
9. Go to BIOS Setup by pressing pressing F2 and go to Boot > Boot List Option
10. Change Legacy to UEFI Boot Option.
11. Go to Exit > Exit Save Changes and reboot system.
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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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