Video Problems - Gateway ALR 8200 Maintaining And Troubleshooting

Video problems

The system is running but there is no display.
Probable Cause
The monitor is not
turned on.
The monitor data cable
is not connected.
The connector or cable
is damaged.
The monitor is
defective.
The monitor
brightness and
contrast controls are
turned down.
The video card is not
seated correctly.
(Instead of a card,
some systems have a
built-in video adapter
that cannot be
removed.)
The video card is not
compatible with the
system. (Instead of a
card, some systems
have a built-in video
adapter that cannot be
removed.)
Solution
Make certain the monitor is plugged in and
turned on. If power is applied to the monitor,
the green power LED should illuminate.
Make certain the monitor's data cable is
connected to the video controller on the back of
the system.
Check the connector and cable for bent or
damaged pins.
Connect a working monitor to the computer.
Adjust the brightness and contrast knobs to the
center position.
Open the system and reseat the video card.
PCI video cards must be compatible with the
system. Replace the card with one that is
compatible with the system.
Troubleshooting 91