Modem Does Not Work - @Xi Computer Corporation MTower User Manual

Modem Does Not Work

2. Check your computer's AUTOEXEC.BAT and CONFIG.SYS files to make
sure they contain the appropriate lines for activating the sound card. For more
information, refer to the sound card manual supplied with your computer.
3. Make sure the sound card Interrupt Request (IRQ) and Direct Memory Access
(DMA) do not conflict with other installed devices. For more information,
refer to the manual supplied with your computer.
4. If sound is coming from just one speaker, check the connection on the back of
the second speaker. If the connection is secure, make sure the speaker's
balance control knob is adjusted properly. Most sound cards also provide
software controls for adjusting speaker balance.
5. If you hear humming coming from your speakers, make sure that powered
speakers are connected to the Line Out jack. Also, make sure the speakers are
located away from electronic devices, such as your computer and monitor, as
well as any microwave ovens, air conditioners, and other electrical devices.
If your modem does not work, perform the following steps to identify and resolve
the problem:
1. Be sure that the modem's line jack is connected to the telephone line. Most
modems have a second jack for connection to a telephone, but this connection
is optional. Be sure you did not accidentally connect the modem's telephone
connector to the telephone line.
2. If you have an external modem, make sure you have turned it on.
3. Check the modem's volume. It might be set too low or be off. Refer to your
communications software manual for instructions about how to change the
modem volume. If you have an external modem, it might have its own volume
control knob.
4. Remove the modem form the telephone jack and connect a telephone you
know to be working. Lift the handset to make sure you hear a dial tone.
5. Be sure nobody is using the telephone line and that no other telephony devices
on the same line are off-hook.
6. Be sure the modem is connected to an analog telephone line, not to a digital
PBX line. If your computer is located at a business that uses a PBX line,
contact the system administrator to verify that the PBX line is safe. Have the
system administrator install an analog PBX line if necessary.
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