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Introduction 77
6
Troubleshooting
Introduction
If your computer does not operate correctly, re-read the instructions for the
procedures you have performed. If an error occurs within a program, consult
the documentation supplied with the program. This section identifies
solutions to some possible problems.
Troubleshooting checklist
Before turning on the computer, make sure that:
■ The power cord is connected to the AC power-in connector and an AC
outlet.
■ The AC outlet is supplying power.
■ If a power strip is used, it is turned on, and the circuit breaker is set.
■ The voltage selection switch on the computer power supply reflects the
proper voltage.
Verifying your configuration
If your computer is not operating correctly, the BIOS may contain an invalid
configuration parameter. Open the BIOS Setup utility and check your
configuration settings. (See “About the BIOS Setup utility” on page 45.)