46 Troubleshooting Tools
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Dell Diagnostics
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
If you experience a problem with your computer, perform the checks in "Solving Problems" on
page27 and run the Dell Diagnostics before you contact Dell for technical assistance.
NOTICE: The Dell Diagnostics works only on Dell™ computers.
1
Turn on (or restart) your computer.
2
When the DELL™ logo appears, press <F12> 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 (see page 53) and try again.
3
When the boot device list appears, highlight
Boot to Utility Partition
and press <Enter>.
4
When the Dell Diagnostics
Main Menu
appears, select the test you want to run.

Dell Diagnostics Main Menu

1
After the Dell Diagnostics loads and the
Main
Menu
screen appears, click the button for the
option you want.
Another failure has occurred.
• Ensure that the cables are properly
connected to the system board from the hard
drive, CD drive, and DVD drive (see
page93).
• If there is an error message on your screen
identifying a problem with a device (such as
the floppy drive or hard drive), check the
device to make sure it is functioning properly.
• The operating system is attempting to boot
from a device (such as the floppy drive or
hard drive); check system setup (see
page105) to make sure the boot sequence is
correct for the devices installed on your
computer.
• If the problem persists, contact Dell (see
page118).
Light Pattern Problem Description Suggested Resolution
C7565bk1.book Page 46 Wednesday, January 26, 2005 1:37 PM