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Chapter 6: Troubleshooting
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The modem is not recognized by your server
■ If the modem shares the telephone line with another device, make sure
that the telephone line is not in use (for example, someone is on the
telephone, or another modem is in use).
■ Shut down and restart your server.
■ Reinstall the modem device driver. For more information, see Using Your
Server Companion CD.
■ Open your server and reseat the modem. For more information, see
“Installing PCI expansion cards” on page 47.
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 port and 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.