Troubleshooting
101
Troubleshooting
Dell Technical Update Service
The Dell Technical Update service provides proactive e-mail notification of
software and hardware updates for your computer. The service is free and can
be customized for content, format, and how frequently you receive
notifications.
To enroll for the Dell Technical Update service, go to
support.dell.com/technicalupdate
.
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 120 and run the Dell Diagnostics
before you contact Dell for technical assistance.
It is recommended that you print these procedures before you begin.
NOTE:
The Dell Diagnostics only operates on Dell computers.
Enter system setup program, review your computer’s configuration
information, and ensure that the device you want to test displays in the
system setup program and is active (see "Using the System Setup Program" on
page 189).
Start the Dell Diagnostics from your hard drive or from your
Drivers and
Utilities
media (see "Drivers and Utilities Media" on page 13).
Summary of Contents for Inspiron 1521
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell Inspiron 1521 Owner s Manual Model PP22L ...
Page 18: ...18 Finding Information ...
Page 32: ...32 About Your Computer ...
Page 46: ...46 Using the Keyboard and Touchpad ...
Page 54: ...54 Using a Battery ...
Page 82: ...82 Using ExpressCards ...
Page 86: ...86 Using the Memory Card Reader ...
Page 100: ...100 Securing Your Computer ...
Page 161: ...Adding and Replacing Parts 161 1 captive screws 2 2 cover 1 2 ...
Page 168: ...168 Adding and Replacing Parts ...
Page 170: ...170 Dell QuickSet Features ...
Page 180: ...180 Getting Help ...
Page 214: ...214 Glossary ...
Page 222: ...222 Index ...