Dell PRECISION PP18L Quick Reference Manual page 22

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
"Contacting Dell" in your User's Guide).
1 Shut down the computer.
2 If the computer is connected to a docking device (docked), undock it. See
the documentation that came with your docking device for instructions.
3 Connect the computer to an electrical outlet.
4 Diagnostics can be invoked in one of two ways:
Turn on the computer. When the DELL™ logo appears, press <F12>
a
immediately. Select Diagnostics from the boot menu and press
<Enter>.
NOTE:
wait until you see the Microsoft
computer and try again.
Press and hold the <Fn> key while powering the computer on.
b
NOTE:
been found, run the Dell Diagnostics from the Drivers and Utilities media.
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 <Esc>; to continue to the
next test, press <y>; to retest the component that failed, press <r>.
• If failures are detected during the Pre-boot System Assessment, write
down the error code(s) and contact Dell (see "Contacting Dell" in
your User's Guide).
If the Pre-boot System Assessment completes successfully, you receive the
message Booting Dell Diagnostic Utility Partition.
Press any key to continue.
5 Press any key to start the Dell Diagnostics from the diagnostics utility
partition on your hard drive.
22
Quick Reference Guide
If you wait too long and the operating system logo appears, continue to
If you see a message stating that no diagnostics utility partition has
® ®
Windows desktop. Then shut down your