Chapter 4: Troubleshooting 25
General Troubleshooting
Note: If you need to reformat your hard drive or to rein-
stall Windows 95, 98, and 2000, you must physi-
cally remove your modem before doing so. Install
the drivers and then your modem as a new install,
following the instructions in this manual.
Problem: Your system
−− doesn’t boot-up, or
−− doesn’t recognize your PCI Faxmodem, or
−− doesn’t respond in Control Panel | Mo-
dems | Diagnostics.
Solution: Your PCI Faxmodem is a BIOS and driver-
dependent device. Sometimes the modem will
be mistakenly assigned to an IRQ (Interrupt
Request) already in use by another device.
If you install the modem in a different slot in
your computer, this may solve the problem.
You should also check your computer for an
available IRQ if you have other devices con-
nected to your computer. Go to Settings |
Control Panel | System | Device Manager.
Highlight Computer, press Properties, and
check for an available IRQ. Any IRQ from 0 to
15 which does not already have a device as-
signed to it is available for use.
Win95B, Win98, and Win2000 Users: When
PCI bus IRQ steering is enabled, Windows will
direct PCI bus IRQs to devices such as your
modem. However sometimes the IRQ that
Windows assigns to your modem will conflict
with the computer’s BIOS.
To disable IRQ steering in computers running
these operating systems, from Control Panel,
go to System | Device Manager | System
Devices | PCI Bus | IRQ Steering and click
the radio button to disable IRQ steering. If the
PCI modem you have just installed is listed,
highlight it and click Remove, and then reboot
your system. If this doesn’t disable the “IRQ
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