Video Problems - Gateway 7400 System Manual

Video problems

The system is running but the screen is blank.
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
A DIMM is not seated
properly - indicated by a beep
The image on the screen is dim or difficult to read.
Probable cause
The monitor brightness and
contrast controls are turned
down
Light is glaring off the display
The monitor may be old
The color monitor displays everything in black and white.
Probable cause
The system was turned on
before the monitor
118
Troubleshooting
Solution
Make sure the monitor is plugged in and turned
on. If the monitor is turned on, the green power
LED should illuminate.
Make sure the monitor 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 server.
Adjust the brightness and contrast knobs to the
center position.
Open the system and reseat the DIMM.
Solution
Adjust the brightness and contrast knobs until
the text becomes clear.
Position the monitor away from the sun or
other light source.
Replace the monitor.
Solution
Make sure the monitor is turned on, then
restart the system.