14.Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
15.Enter the System Setup program, and change the configuration settings appropriate for your system (see "Using the System Setup Program" in your User's Guide).
16.Reboot the system.
If the problem persists, see "Getting Help."
17.Enter the System Setup program and restore any option settings that were not in your default configuration. For more information, see "Using the System Setup Program" in your User's Guide.