Dell Inspiron N4020 Setup Guide - Page 54

Dell Diagnostics, Starting Dell Diagnostics From Your, Hard Drive

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Using Support Tools Dell Diagnostics If you experience a problem with your computer, perform the checks in "Lockups and Software Problems" on page 45 and run the Dell Diagnostics before you contact Dell for technical assistance. It is recommended that you print these procedures before you begin. NOTE: Dell Diagnostics works only on Dell computers. NOTE: The Drivers and Utilities disc is optional and may not ship with your computer. Ensure that the device that you want to test displays in the system setup program and is active. Press during POST (Power On Self Test) to enter the System Setup (BIOS) utility. Start the Dell Diagnostics from your hard drive or from the Drivers and Utilities disc. Starting 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 "Contacting Dell" on page 72). 1. Ensure that the computer is connected to an electrical outlet that is known to be working properly. 2. Turn on (or restart) your computer. 3. When the DELL™ logo appears, press immediately. Select Diagnostics from the boot menu and press . This may invoke the Pre-Boot System Assessment (PSA) on your computer. NOTE: 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. 52

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52
Using Support Tools
Dell Diagnostics
If you experience a problem with your
computer, perform the checks in “Lockups and
Software Problems” on page 45 and run the
Dell Diagnostics before you contact Dell for
technical assistance. It is recommended that
you print these procedures before you begin.
NOTE:
Dell Diagnostics works only on Dell
computers.
NOTE:
The
Drivers and Utilities
disc
is optional and may not ship with your
computer.
Ensure that the device that you want to test
displays in the system setup program and is
active. Press <F2> during POST (Power On Self
Test) to enter the System Setup (BIOS) utility.
Start the Dell Diagnostics from your hard drive
or from the
Drivers and Utilities
disc.
Starting 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
“Contacting Dell” on page 72).
Ensure that the computer is connected to an
1.
electrical outlet that is known to be working
properly.
Turn on (or restart) your computer.
2.
When the DELL
3.
™
logo appears, press <F12>
immediately. Select
Diagnostics
from the
boot menu and press <Enter>. This may
invoke the Pre‑Boot System Assessment
(PSA) on your computer.
NOTE:
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.