DELL 5160 オーナーマニュアル

Solving Problems

Dell Diagnostics

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions

located in the Product Information Guide.

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in this chapter and run the
Dell Diagnostics before you contact Dell for technical assistance.

NOTICE:

The Dell Diagnostics works only on Dell™ computers.

Starting the Dell Diagnostics

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 page 101).

1 Shut down the computer (see page 79).
2 Connect the computer to an electrical outlet.
3 Turn on the computer. When the DELL™ logo appears, press <F12> immediately.

NOTE:

If you cannot see anything on your display, hold down the mute button and press the computer’s

power button to begin the Dell Diagnostics. The computer automatically runs the Pre-boot System
Assessment.

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 (see page 79) and try again.

4 When the boot device list appears, highlight Diagnostics and press <Enter>.

The computer runs the Pre-boot System Assessment, a series of initial tests of your system
board, keyboard, hard drive, and display.

•

During the assessment, answer any questions that appear.

•

If a failure is detected, the computer stops and beeps. To stop the assessment and restart
the computer, press <n>; to continue to the next test, press <y>; to retest the
component that failed, press <r>.