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Driver Details

Dell 32 Bit Diagnostics (Graphical User Interface version), A1264
Dell 32-bit Diagnostics v1264
Release Date 5/2/2006
Importance: Optional
Version: A1264 See Previous Versions

The following formats are available for the file you have selected

File Format: Hard-Drive Download File Download File
File Name:


Description: This 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.
Download Type: HTTP
File Size: 2MB

File Format: ISO Image Download File Download File
File Name:


Description: This file contains an ISO image used to create a CDROM. Download the file to a folder on your hard drive, then create a CD using your preferred CD burning software.
Download Type: HTTP
File Size: 5MB

Previous Versions

<ul><li><b>Dell Version :</b> A1257</li></ul>
8/30/2005 12:11:27 PM


Dell 32-bit Diagnostics v1264

Level of Importance:Optional

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.

Important Information

If a system has more than 4GB of memory installed, the configuration data display for the memory module will not report the memory size properly.


Inspiron 1300
Inspiron 6000
Inspiron 630m
Inspiron 6400
Inspiron 640M
Inspiron 9400
Inspiron B130
Inspiron E1405
Inspiron E1505
Inspiron E1705
Latitude 110L
Latitude 120L
Latitude D410
Latitude D510
Latitude D520
Latitude D610
Latitude D620
Latitude D810
Latitude X1
Precision M20
Precision M70
XPS M140 (MXC051, Late 2005)
XPS M1710 (MXG061, Early 2006)
Operating Systems
Not Applicable

Applies to

  • 32 Bit Diagnostics (Graphical User Interface version)

Fixes & Enhancements

DellDiag.exe has been enhanced to support new systems.

Installation instructions

Custom Instructions for CZ126400.exe:

Hard Drive Installation using CZ126400.exe


1. Select the download method you want to use to retrieve the file - either HTTP or FTP.
2. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.
3. When the File Download window appears, click Save this program to disk and click OK.  The Save In window appears. 
4. From the Save In drop-down menu click to select Desktop and then click Save.  The file will download to your desktop.
5. If a Download Complete window appears, click Close.  A new icon appears on your desktop.


1. Double-click the new icon on the desktop labeled CZ126400.exe.
2. When the Self-Extractor window appears, click Continue.
3. A dialog box will prompt you for the directory to unzip the files to. Normally you should leave the default path. This path must be on an MS-DOS FAT partition. If you extract the files to any other type of partition (for example NTFS) you will not be able to run the diagnostics. Write down the path where the files were placed.  
4. Click OK.
5. If you get a prompt asking you if you would like to create the directory, click YES.
6. After a few seconds a dialog box will appear that says that all files were successfully unzipped. Click OK to exit from the installer.

Running the Diagnostics from a Hard Drive

1. In order to run the diagnostics you must boot to an MS-DOS prompt. If necessary create a DOS boot disk.  For more information, refer to Dell Knowledge Base Article TT1014475 - "What can I use for a boot disk with CD-ROM support?"
2. Insert the diskette into the diskette drive and reboot the computer.
3. At the A:/> prompt, type "C:" (or the drive letter where you saved the diagnostics to) and then press the [ENTER] key.
4. Type "cd c:\dell\drivers\Rxxxx" (or the path that you specified above) and then press [ENTER].
5. Type "Delldiag" and then press [ENTER] to run the diagnostics.
6. Follow the on-screen instructions.

Instructions for cdd_1264.ISO:

NOTE: In order to use this file, you need a CD-R or CD-RW and appropriate software to create a CD from the downloaded image 


1. Click the Download Now link to download the file. 
2. When the File Download window appears, click Save to save the file to your hard drive. 


1. Follow your CD writing software vendor's instructions to create a CD from the downloaded .ISO file.            


To ensure the integrity of your download, please verify the checksum value.

This is an optional process and is not required for the downloading and installation of device drivers from this site.
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By downloading, you accept the terms of the Dell Software License Agreement.