Video Problems - Gateway E-420 Maintaining & Troubleshooting

Important!
Your system board may
have a built-in video
adapter, so there may not
be a video adapter to
remove and replace.
80 Maintaining and Troubleshooting Your E-4200 System
The mouse doesn't work.
Probable Cause
The mouse is not
plugged in or con-
nected properly.
The mouse driver did
not load when the sys-
tem started.
The mouse is defec-
tive.

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 defec-
tive.
The monitor bright-
ness and contrast con-
trols are turned down.
The video card is not
seated correctly.
The video card is not
compatible with the
system.
Solution
Check the cable. Make certain it is plugged
in correctly.
Load the appropriate mouse driver manually
or contact Technical Support.
Try a mouse you know is working.
Solution
Make certain the monitor is plugged in and
turned on. If power is applied to the monitor,
the green power LED should light.
Make certain the monitor's data cable is con-
nected 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.