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Getting Started Guide 2–5
Troubleshooting
graphics and monitor problems
The monitor doesn’t work.
The system’s power indicator light works but the monitor remains blank
Make sure... How
The monitor power cord is correctly
connected.
Ensure the power cord is plugged into a
working grounded power outlet and into the
monitor.
The monitor is switched ON (LED is on). Refer to the monitor manual for an
explanation of the LED signals.
The graphics card is installed and the monitor
(video) cable is correctly connected.
Ensure the monitor (video) cable is properly
connected to both the system and the
monitor. Ensure the cable is connected to the
graphics card’s connector.
The monitor’s brightness and contrast settings
are correctly set.
Check the settings using the on-screen
display or controls on the front of the
monitor.
The EFI console output settings are correct. Check and correct the settings using the EFI
Boot Options Maintenance Menu. For
instructions, see page 1-20.
If the system starts and you still have a problem, see “Software Diagnostics Tools” on
page 2-11.