Chapter 3: Troubleshooting
34
The modem is noisy when it dials and connects
When your modem tries to connect to another
modem, it begins
handshaking
. Handshaking is a
digital “getting acquainted” conversation
between the two modems that establishes
connection speeds and communication protocols.
You may hear unusual handshaking sounds when
the modems first connect. If the handshaking
sounds are too loud, you can turn down the
modem volume.
Monitor
The screen resolution is not correct
• Change the screen resolution from the
Display Settings
dialog box.
The computer is running but there is no picture
• Make sure that the monitor is plugged in and
turned on. If the monitor is turned on, the
power LED should be lit.
• Adjust the brightness and contrast controls
to the center position.
• Make sure that the monitor cable is
connected to the video port on the back of
your computer.
• Check the cable for bent or damaged pins.
• Reinstall the device driver.
• Connect a monitor that you know works to
your computer.
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.
The text on the display is dim or difficult to read
• Adjust the brightness and contrast controls.
• Change the display settings. For more
information.
For more information about display types, see your
monitor and video card documentation.
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