Driver Details

Dell Dell XPS L511Z System BIOS, A06

Dell XPS L511Z System BIOS


  • Version A06, A06


Compatible Systems
Supported Operating Systems
  • BIOS

Applies to

Dell XPS L511Z System BIOS;


Release date
13 Oct 2011
Last Updated
07 Jul 2012


Recommended. 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).

Available formats

File Format:Hard-Drive
File Name:R314767.exe
Download Type:HTTP
File Size: 3MB
Format DescriptionThis file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
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By downloading, you accept the terms of the Dell Software License Agreement.

Important Information

(1) After upgrading to A06, never downgrade Bios to A05 or older version, otherwise system BIOS will crash and can't boot again.
(2) Upgrading to A06 will cause Setup Menu load-default

Fixes & Enhancements

*Important Warning:
1. After upgrading to A06, never downgrade Bios to A05 or older version, otherwise system BIOS will crash and can't boot again.
2. Upgrading to A06 will cause Setup Menu load-default

*Issues fixed or function upgrade:
1. Intel Rapid Start Technology (iRST) is enabled for systems which have:
(1)SSD Storage
(2)8G iRST partition
2. Fix DP audio & Array MIC will loss function after resume from iFFS mode
3. Fix Boot menu disorder and F2/F12 no function to Setup/Boot Option.
4. Fix a battery will pop up warning message symptom.
5. Removed a patch to prevent SUT hang during POST: XHCI HandOff code change for Win 8

Installation instructions

Hard Drive Installation (via WinZip) with Setup.exe File for R314767.EXE


1.Click Download Now, to download the file.
2.When the File Download window appears, click Save (Windows XP
users will click Save) this program to disk and click OK. The Save In:
window appears.
3.From the Save In: field, click the down arrow then click to
select Desktop and click Save. The file will download to your desktop.
4.If the Download Complete window appears, click Close. The file
icon appears on your desktop.


1.Double-click the new icon on the desktop labeled R314767.EXE.
2.The Self-Extracting window appears and prompts you to extract or
unzip to C:\DELL\DRIVERS\R314767. Write down this path so the executable (I.e.
Setup.exe) file can be found later.
3.The Self-Extractor window appears.
4.Click OK.
5.After completing the file extraction, if the Self-Extractor
window is still open, close it.
6.Click the Start button and then click Run.
7.Type C:\DELL\DRIVERS\R314767 in the Open textbox and then click OK.
8.Follow the on-screen installation instructions.

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