Dell Vostro 220 (Late 2008) - Manual (Page 48)

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Troubleshooting
3 In the search results, select the option that best describes the problem and
follow the remaining troubleshooting steps.
Windows XP:
1 Click Start→ Help and Support.
2 Type
hardware troubleshooter in the search field and press
to start the search.
3 In the Fix a Problem section, click Hardware Troubleshooter.
4 In the Hardware Troubleshooter list, select the option that best describes
the problem and click Next to follow the remaining troubleshooting steps.
Dell Diagnostics
CAUTION:
Before you begin any of the procedures in this section, read the safety
information that shipped with your computer. For additional safety best practices
information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
When to Use the Dell Diagnostics
If you experience a problem with your computer, perform the checks in
Lockups and Software Problems (see "Lockups and Software Problems" on
page 52) and run the Dell Diagnostics before you contact Dell for technical
assistance.
It is recommended that you print these procedures before you begin.
NOTICE:
The Dell Diagnostics works only on Dell computers.
NOTE:
The Dell Drivers and Utilities media is optional and may not ship with your
computer.
See your Service Manual at support.dell.com to review your computer’s
configuration information, and ensure that the device that you want to test
displays in the system setup program and is active.
Start the Dell Diagnostics from your hard drive or from the Dell Drivers and
Utilities media.