Solving Problems

Dell Diagnostics

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your

Product Information Guide.

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in "Solving Problems" and run the Dell Diagnostics before you contact Dell for technical assistance.

NOTICE: The Dell Diagnostics works only on Dell™ computers.

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.

1Shut down the computer.

2If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.

3Connect the computer to an electrical outlet.

4Turn on the computer. When the DELL™ logo appears, press <F12> immediately.

NOTE: If you cannot see anything on your display, hold down <Fn> and press the computer’s power button to begin the Dell Diagnostics. The computer automatically runs the

Pre-boot System Assessment.

If you wait too long and the Microsoft® Windows® logo appears, continue to wait until you see the Windows desktop. Then shut down your computer through the Start menu and try again.

Solving Problems

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Dell 1150 owner manual Solving Problems, When to Use the Dell Diagnostics