Gateway 995, User Manual

Page: 148 / 176

142
Chapter 6: Troubleshooting
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Monitor
Your server is running but there is no picture
■
Adjust the brightness and contrast controls to the center position.
■
Make sure that the monitor is plugged in and turned on. If the monitor
is turned on, the power LED should be lit.
■
Check the cable for bent or damaged pins.
■ Connect your monitor to another computer, or connect a monitor that
you know works to your server.
The color is not uniform
Make sure that the monitor warms up for at least 30 minutes before making a
final judgment about color uniformity.
Make sure that:
■ The monitor is not positioned too close to another monitor, electric fan,
or fluorescent light.
■ You demagnetize the screen using the monitor’s degauss feature. For more
information on degauss, see the monitor’s documentation.
A horizontal line or wire is visible across the monitor screen
The monitor may use thin damper wires, located approximately 1/3 of the way
from the upper and lower screen edges, to stabilize the internal aperture grille.
These wires are most obvious when the monitor displays a white background.
The aperture grille allows more light to pass through the screen for brighter
colors and greater luminescence. The damper wire is a critical part of the overall
monitor design and does not negatively affect the monitor’s function.
Power
You press the power button, but the server does not turn on
■ Make sure that both AC power cords are connected to your server and a
wall outlet.
■ If the power LED is green, the server is turned on, but you may not be
seeing an image on the monitor. For monitor troubleshooting, see
“Monitor” on page 142 .