Driver Details

Dell XPS L521X System BIOS - A13

Dell XPS L521X System BIOS - A13

Fixes & Enhancements


Version A13, A13



Release date

04 Jan 2013

Last Updated

04 Jan 2013



Available formats

File Format:Non-Packaged
File Name:L521XA13W.exe
Download Type:HTTP
File Size: 4MB
Format DescriptionThis file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.

By downloading, you accept the terms of the Dell Software License Agreement.

Other versions

A12,A12 28 Nov 20127:17:52 AM
A11,A11 04 Oct 20124:06:49 AM

Compatible Systems

Supported Operating Systems


Applies to

Dell XPS L521X

Installation instructions

1. Download bios file to desktop.
2. Check you've plug AC into your system.
3. Double-click the bios file on the desktop labeled L521XA13W.exe.
4. Click "Yes" to allow the following program.
5. It will extracting and reboot system to flash bios.
* please do not remove the AC power during bios flash.
6. System will restart after bios flash complete.

Important Information

My Download List-#1 (0 )

Drivers help and tutorials

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Learn more
This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details
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).