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 L521X 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.Dell XPS L521X System BIOS - A12
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Fixes & Enhancements
Update Nvidia VBIOS N13P-GS version [80.07.59.00.0A], N13P-GV version [75.17.46.00.03] to support Hynix A-die.
Read MoreVersion
A12, A12
Release date
01 Nov 2012
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell 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.
Available formats
File Format: CPG BIOS Executable for Windows/DOS
File Name: L521XA12W.exe
File Size: 4.62 MB
This is a large file. Depending on your connection speed, it may take some time to download.
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:
71ed12083f239cb91483d6e39a399240
SHA1:
790b9b36b1e77ebbdf2929deed435ffe3d66ed1c
SHA-256:
5f20d6fc0d22cbbfb4b42f5ee7f4ec16080235375309d6a29c4efb33cd8d8a50
By downloading, you accept the terms of the Dell Software License Agreement.
Supported Operating Systems
Windows 7, 32-bit
Windows 7, 64-bit
Windows 8, 64-bit
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 L521XA11W.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.
Reboot will be required
2. Check you've plug AC into your system.
3. Double-click the bios file on the desktop labeled L521XA11W.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.
Reboot will be required
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting and usage guide.Drivers help and tutorials
For more downloads go to the Drivers and downloads. For help on using the information on this page, please visit Driver Help and Tutorials.