Troubleshooting Tips; Using The Hardware Troubleshooter; Tips; Power Problems - Dell OptiPlex U719F Setup And Quick Reference Manual

Troubleshooting Tips

CAUTION:
Always unplug your computer from the electrical outlet before
opening the cover.
NOTE:
For detailed troubleshooting information, including responding to system
messages, see your Service Manual on support.dell.com .

Using the Hardware Troubleshooter

1 Click the Windows Vista Start button
2 Type hardware troubleshooter in the search field and press
<Enter> to start the search.
3 In the search results, select the option that best describes the problem and
follow the remaining troubleshooting steps.

Tips

• If a device does not work, ensure that the device is properly connected.
• If you added or removed a part before the problem started, review the
installation procedures and ensure that the part is correctly installed.
• If an error message appears on the screen, write down the exact message.
This message may help support personnel to diagnose and fix the
problem(s).
• If an error message occurs in a program, see the program documentation.

Power Problems

CAUTION:
Before working inside your computer, read the safety information that
shipped with your computer. For additional safety best practices information, see
www.dell.com/regulatory_compliance.
I F T H E P O W E R L I G H T I S O F F
receiving power.
• Reseat the power cable in the power connector on the back of the
computer and the electrical outlet.
The computer is either turned off or is not
—
, and click Help and Support.
Troubleshooting Tips
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