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Powering Up the System 7
Looking Things Over
Sometimes, the simplest things can cause trouble. To avoid unnecessary
service calls, be sure you check over the basics before you call for support.
In any complex system, there is potential for a forgotten connection, a
forgotten switch or a loose connector. Before powering up the system,
perform the following checks:
• Is the power cord connected to the CPU system and an AC outlet?
• Is the AC outlet 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 your system, keep the following guidelines in mind:
• Never remove the system covers while the system is powered up.
• Do not attempt to open the monitor, it is extremely dangerous.
Even if the monitor power is disconnected, stored energy within the
monitor’s 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 the screen displays an error message, 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 feel you are qualified to maintain the system yourself, make
certain you are properly grounded before opening the system
chassis.
3435.boo Page 7 Thursday, August 6, 1998 7:12 AM