Troubleshooting System Problems After Startup/Modem Not Recognized - 58
Modem Not Recognized
This table should help you troubleshoot and fix problems where the internal modem is
not recognized. Follow the instructions under the “Possible Fix” column to resolve the
problem.
Possible Cause Possible Fix
Modem is not Recognized: If the modem is not recognized or listed in the Application
or OS, refer to this section of the table.
Needed extensions or CCL
files are not installed or
are corrupt.
Are the correct CCL and extension files installed? (Note:
You will need the iMac Modem Extension and the iMac
internal modem CCL.)
Yes: The CCL or extension may be corrupt. Reinstall
the CCL and modem extension. If the problem persists,
reinstall the system software and try again.
No: Install the correct CCL and modem extension and
try again.
PRAM is corrupt. Zap PRAM by holding down the Option, Command, P, and
R keys.
Serial Port Not Available Message: If the Modem Control Panel and/or ClarisWorks
reports that the serial port is not available, refer to this section of the table.
The modem card is loose,
missing, or bad.
Is the modem card installed?
Yes: Reseat the modem card and try again. If the
problem persists, replace the modem card.
No: Install a modem card and try again.
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