84 Maintaining and Troubleshooting the Gateway ALR 7200 Server
Video Problems
The system is running but there is no display.
The text on the display is dim or difficult to read.
Probable Cause
Solution
The monitor is not
turned on.
Make certain the monitor is plugged in and
turned on. If power is applied to the monitor,
the green power LED should illuminate.
The monitor’s data
cable is not connected.
Make certain the monitor’s data cable is
connected to the video controller on the back
of the system.
The connector or cable
is damaged.
Check the connector and cable for bent or
damaged pins.
The monitor is
defective.
Connect a working monitor to the computer.
The monitor’s
brightness and contrast
controls are turned
down.
Adjust the brightness and contrast knobs to
the center position.
The video card is not
seated correctly.
Open the system and reseat the video card.
The video card is not
compatible with the
system.
PCI video cards must be compatible with the
system.
Probable Cause
Solution
The monitor’s
brightness and contrast
controls are turned
down.
Adjust the brightness and contrast knobs until
the text becomes clear.
Sunlight is glaring off
the display.
Position the monitor away from the sun or
window.
The CRT may be old.
Replace the monitor.
Note:
Your system board may
have a built-in video
adapter, so there may not
be a video adapter to
remove and replace.
3436.book Page 84 Friday, August 7, 1998 10:23 AM
