3Com U.S. Robotics 56K Winmodem Manual page 29

PROBLEM
The computer or software will not recognize the modem.
POSSIBLE SOLUTION
You may have a COM port/IRQ conflict.
1.
Right-click the My Computer icon on your desktop.
2.
Click Properties.
3.
Click the Device Manager tab.
•
If you see a yellow exclamation point over your modem, you have a resource conflict, and
it is probably an IRQ conflict. Continue with step 4.
•
If you did not see a yellow exclamation point, you may still have an IRQ conflict.
Continue with the next " Possible Solution" . If these possible solutions do not solve your
problem, continue with step 4.
4.
Click the modem's name to select it.
5.
Click Remove.
6.
You will be asked if you are sure you wish to remove the device. Click OK.
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