Get to know Windows 2012

Explore new features and learn how to get the most out of your Windows System

Learn more

Driver Details

Diagnostics Utility for WIndows

Dell Online Diagnostics is a suite of diagnostic programs, or test modules, that run locally on your system. You select diagnostics tests to run from the Diagnostic Selection tree containing the hardware that Online Diagnostics discovers on your system

Fixes & Enhancements

Enhancements : Support for PCIe-SSD device discovery and device self test
Fix : Defect related to diagnostics crashing on linux systems when there was a network bonding with non default name has been fixed


Version 2.21, A00

Release date

19 Oct 2012

Last Updated

17 Mar 2015



Available formats

File Format:Rel-Notes-Text
File Name:dell-onlinediags-win32-readme-2.21.0.txt
Download Type:HTTP
File Size: 33KB
Format DescriptionThis file format contains plain text which can be viewed with a standard text editor.
Added to download list
Go to [{0}]
To ensure the integrity of your download, please verify the checksum value.
File Format:Hard-Drive
File Name:dell-onlinediags-win32-
Download Type:HTTP
File Size: 7MB
Format DescriptionThis file format consists of an archive of files that may be decompressed to a directory on the hard drive. The installation can then be done from that directory.
Added to download list
Go to [{0}]
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

2.19,A00 12 Aug 20136:04:54 PM
2.20,A00 16 Aug 20124:49:18 PM

Supported Operating Systems

MS Windows 2008 x64
MS Windows 2008 x86
MS Windows Server 2003
MS Windows 2008 R2

Applies to


Installation instructions

Online Diagnostics installation can be accomplished by double clicking on the installer which runs for the user and gets installed with few inputs.
My Download List-#1 (0 )

Drivers help and tutorials

My download lists

My download lists enables you to create and save lists of drivers to install at a later time. Lists can only be saved by logging into your existing account or creating a new one, and selecting “Save this list.”
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 the customer review specifics about the update to determine if it applies to your system. The update contains changes that impact only certain configurations, or provides new features that may/may not apply to your environment.