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Troubleshooting tools and utilities, Dell diagnostics, When to use the dell diagnostics – Dell OptiPlex 740 User Manual

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Troubleshooting Tools and Utilities

Dell™ Optiplex™ 740 Systems

User's Guide

  

Dell Diagnostics

  

System Lights

  

Diagnostic Lights

  

Beep Codes

  

Error Messages

  

Resolving Software and Hardware Incompatibilities

 

Dell Diagnostics

 

 

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in this section and run the Dell Diagnostics before you contact Dell (see

Contacting Dell

)

for technical assistance.

It is recommended that you print these procedures before you begin.

Enter system setup, review your computer's configuration information, and ensure that the device you want to test displays in system setup and is active (see

Entering System Setup

).

Start the Dell Diagnostics from either your

hard drive

or from the

Drivers and Utilities

media.

 

Starting the Dell Diagnostics From Your Hard Drive

The Dell Diagnostics is located on a hidden diagnostic utility partition on your hard drive.

 

1.

Shut down the computer. Turn on (or restart) your computer.

 

2.

When the DELL™ logo appears, press  immediately. 

If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your
computer and try again.

 

3.

When the boot device list appears, highlight Boot to Utility Partition and press .

 

4.

When the Dell Diagnostics Main Menu appears, select the test you want to run.

 

Starting the Dell Diagnostics From the Drivers and Utilities Media (Optional)

 

1.

Insert the Drivers and Utilities media.

 

2.

Shut down and restart the computer.

When the DELL™ logo appears, press  immediately.

If you wait too long and the Windows logo appears, continue to wait until you see the Windows desktop. Then shut down your computer and try again.

 

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

NOTICE:

The Dell Diagnostics works only on Dell™ computers.

NOTE:

If your computer cannot display a screen image, contact Dell (see

Contacting Dell

).

NOTE:

If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics from your Drivers and Utilities media

(optional).

NOTE:

The next steps change the boot sequence for one time only. On the next start-up, the computer boots according to the devices specified in

system setup.