Diagnostics, Obtaining a usable video resolution – 3DLABS Wildcat 4210 User Manual

Page 37

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30

Monitor Checks, cont.

Problem Cause

Solution

Screen image is off-
center

Monitor settings may be
configured improperly.

Refer to your monitor’s
documentation for instructions on
making horizontal and vertical
adjustments.

Color balance is wrong

Monitor settings may be
configured improperly.

Refer to your monitor’s
documentation for instructions on
adjusting the color display.

Improper software setup
or hardware problem.

Reboot into VGA/Safe Mode to
verify the display properties are
configured correctly 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. See
“Obtaining a Usable Video
Resolution” in this chapter for
instructions on determining if you
have a defective unit.

There is no picture

System was not shut
down after choosing dual
monitor feature.

Power off then power on the
system.

Screen image defects
appear

Possible indication of a
hardware problem.

Run diagnostics to check the
graphics hardware.

Diagnostics

Diagnostics utilities for checking the video card and instructions for using these utilities may be available
from your computer vendor.

Obtaining a Usable Video Resolution

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:

In Windows NT 4.0

Press CTRL+ALT+DEL but do not log on to the Windows NT operating system. Instead, shut
down then use the Last Known Good option to return to the last known good configuration
recorded by Windows NT.

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