Dell OptiPlex 740 - Инструкция (Страница 51)

Quick Reference Guide
51
If computer problems occur that require help from Dell, write a detailed
description of the error, beep codes, or diagnostics light patterns, record your
Express Service Code and Service Tag below, and then contact Dell from the
same location as your computer. For information on contacting Dell, see your
online
User’s Guide.
For an example of the Express Service Code and Service Tag, see "Finding
Information" on page 5.
Express Service Code:___________________________
Service Tag:___________________________
Dell Diagnostics
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
When to Use the Dell Diagnostics
If you experience a problem with your computer, perform the checks in
"Solving Problems" in your online
User’s Guide and run the Dell Diagnostics
before you contact Dell for technical assistance. For information on
contacting Dell, see your online
User’s Guide.
NOTICE:
The Dell Diagnostics works only on Dell™ computers.
Enter system setup (see "System Setup Program" in your online User’s Guide
for instructions), review your computer’s configuration information, and
ensure that the device you want to test displays in system setup and is active.
Start the Dell Diagnostics from either your hard drive or from the optional
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.
NOTE:
If your computer cannot display a screen image, contact Dell (see your
online User’s Guide).
1 Shut down the computer. Turn on (or restart) your computer.
2 When the DELL™ logo appears, press <F12> immediately.