104 Troubleshooting
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
The Dell Diagnostics can be invoked in one of two ways:
• Turn on the computer. When the DELL™ logo appears, press <F12>
immediately. Select
Diagnostics
from the boot menu and press
<Enter>.
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.
• Press and hold the <Fn> key while powering the computer on.
NOTE: If you see a message stating that no diagnostics utility partition has
been found, run the Dell Diagnostics from the optional Drivers and Utilities CD.
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" on
page 149)
.
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 harddrive.
Starting the Dell Diagnostics From the Optional Drivers and Utilities Media1
Insert the
Drivers and Utilities
media.
2
Shut down and restart the computer.