Intergraph Intense3D Wildcat 4105, Hardware User'S Manual

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9
The system operates in VGA mode when the video display driver is not running to accommodate
all monitor types. VGA mode is used during initial installation of the video display driver and
when experiencing video problems. If you select a resolution that causes the monitor to display
incorrectly, do not press
CTRL
+
ALT
+
DEL
to log on to the Windows NT operating system. Instead,
use the Last Known Good option to return to the last known good configuration recorded by
Windows NT.
To use the Last Known Good option:
1. Restart the system.
2. Press the space bar at the following prompt:
Press space bar NOW to invoke the Last Known Good Menu
If using the Last Known Good option fails to correct the video display problems, restart the system
in VGA mode and reconfigure your display to 640 x 480 x 60 Hz. Then, restart Windows NT
again in non-VGA mode.
To restart the system in VGA mode:
1. Restart the system.
2. At the boot screen, select the VGA version of the operating system.
If the monitor display is distorted, ensure the software setup is correct for the monitor type. If the
software setup is correct, use a similar type monitor (if available and functioning properly) to
determine if the workstation is defective.
To determine a defective unit:
1. Save and exit from all files, if possible; then shut down Windows NT.
2. Turn off the power to the monitor and to the workstation.
CAUTION Always turn off the power to the workstation before connecting or disconnecting the
cables.
3. Check and reseat all card and cable connections as needed.
4. Turn on the monitor power. If the Power On LED does not illuminate, return the monitor.
5. Turn on the power to the system base unit. If the Power On LED on the base unit does not
illuminate, or if the BIOS beep codes indicate a failure, return the workstation.