Solving Problems; Dell Diagnostics - Dell PP21L Owner's Manual

Solving Problems

Dell Diagnostics

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
When to Use the Dell Diagnostics
If you experience a problem with your computer, perform the checks in "Lockups and Software
Problems" on page 67 and run the Dell Diagnostics before you contact Dell for technical assistance.
NOTICE:
The Dell Diagnostics works only on Dell computers.
Start the Dell Diagnostics from either your hard drive or from the Drivers and Utilities CD (also
known as the ResourceCD).
NOTE:
The Drivers and Utilities CD may not ship with your computer.
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" on page 112.
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 one of two ways:
Turn on the computer. When the DELL™ logo appears, press <F12> immediately. Select
a
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
Press and hold the <Fn> key while powering the system on.
b
NOTE:
If you see a message stating that no diagnostics utility partition has been found, run the Dell
Diagnostics from the Drivers and Utilities CD.
®
desktop. Then shut down your computer and try again.
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Solving Problems