Monitor - Gateway 9515 User Manual

■ Check for line noise (scratchy, crackling, or popping sounds). Line noise is a common
problem that can cause the modem to connect at a slower rate, abort downloads, or
even disconnect. The faster the modem, the less line noise it can tolerate and still
work correctly.
Listen to the line using your telephone. Dial a single number (such as 1). When the
dial tone stops, listen for line noise. Wiggle the modem cable to see if that makes a
difference. Make sure that the connectors are free from corrosion and all screws in
the wall or telephone jack are secure.
You can also call your telephone service and have your telephone line checked for
noise or low line levels.
■ Try connecting with the modem at a lower connection speed. If reducing the
connection speed lets you connect, contact your telephone service. The telephone line
may be too noisy.
■ Try another telephone line (either a different telephone number in your business or
a telephone line at a different location). If you can connect on this line, call your
telephone service.
Your 56K modem does not connect at 56K
Current FCC regulations restrict actual data transfer rates over public telephone lines to
53K. Other factors, such as line noise, telephone service provider equipment, or ISP
limitations, may lower the speed even further.
If your system has a v.90 modem, the speed at which you can upload (send) data is limited
to 33.6K. If your system has a v.92 modem, the speed at which you can upload data is
limited to 48K. Your ISP may not support 48K uploads.
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 instructions, see
Companion
■
Open your server and reseat the modem. For instructions, see
PCI expansion cards" on page

Monitor

Your server is running but there is no picture
■
Adjust the brightness and contrast controls to the center position.
CD.
79.
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Using Your System
"Installing and removing
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