Gateway ALR 8200R User Manual page 27

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Are the power cords connected to the processor drawer and an
appropriate power source?
•
Is the power source supplying power?
•
If a power strip is used, is it switched on? Is the circuit breaker set?
•
Does the voltage selection switch on the system's power supply
reflect the proper voltage?
Verifying Your Configuration
If your system is not operating correctly, the BIOS may contain an invalid
configuration parameter. Enter the BIOS program and check your
configuration settings.
Troubleshooting Guidelines
As you troubleshoot the system, keep the following guidelines in mind:
•
Never remove the system cover while the system is powered on.
•
Do not attempt to open the monitor, it is extremely dangerous.
Even if the monitor power is disconnected, stored energy within the
monitor components can cause a painful or harmful shock.
•
If a peripheral such as the keyboard, mouse, drive, or printer does
not appear to work, ensure that all connections are secure.
•
If an error message is displayed on the screen, write it down, word-
for-word. You may be asked about it when calling Technical
Support.
•
Only qualified personnel should open the system for maintenance.
•
If you are qualified to maintain the system yourself, make certain
you are properly grounded before opening the system chassis.
Powering Up the System 17