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Q7:   While testing the modem, the system gave an error message stating that it 

was unable to open the COM Port. Why? 

 
A7: 

  Make sure that you have closed all communication software (e.g. 

Hyperterminal, Dial-up Networking, etc.) when you are doing the diagnostics 
test. 

 

However, if there is no communications software running, do the following: 
 

For Windows® 98 / 98 SE / Windows® ME

 

 
1. From your 

Windows desktop

, right-click on 

My Computer

 icon and click  

    

Properties

  

2. Click on the 

Device Manager

 tab. 

 
3. Double-click on the 

Modem

 device. You should see the 

Smart Link 56K  

    Voice Modem

 is being listed. 

 
4. If you see a yellow exclamation mark besides 

Smart Link 56K Voice  

    Modem

, it means that your driver is not installed successfully. Click on the  

    device and click 

Remove

. Click on 

Refresh

 and install your driver again  

    (please refer to 

STEP 2

 

of the 

Installation Manual

). 

 

For Windows® XP / Windows® 2000

 

 
1. From your 

Windows desktop

, right-click on 

My Computer

 icon and click  

    

Properties

.     

 

2. Click on the 

Hardware

 

tab and then click 

Device Manager

 
3. Double-click on the 

Modem

 device. You should see the 

Smart Link 56K  

    Voice Modem

 is being listed. 

 
4. If you see a yellow exclamation mark besides 

Smart Link 56K Voice  

    Modem

, it means that your driver is not installed successfully. Right-click  

    on the device and then uninstall the modem. Restart the system and then  
    install your modem driver again (please refer to 

STEP 2

 

of the 

Installation  

    Manual

). 

 

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