ZyXEL Communications Prestige 630 User Manual

Prestige 630 ADSL USB Modem 

Troubleshooting  

5-1 

None of the LEDs turn on when 
I start the modem. 

Make sure your computer is turned on. 

Check the USB cable connections between the modem and your 
computer. 

Make sure you can open the CSA interface (refer to Chapter 3 for 
details. Install the software driver if the CSA is not present. 

Carefully follow the instructions in this User’s Guide to uninstall and 
reinstall the software driver.  

I cannot access the modem via 
my computer. 

Make sure the modem’s USB port is connected to your computer’s 
USB port. 

Restart your computer. 

I cannot connect to the Internet.  

 

Make sure the ADSL port is properly connected to the telephone wall 
jack.  

Use the Connect/Disconnect button in the ADSL Control and 
Status screen to reinitiate the ADSL connection.   

With PPPoE, see section 2.2 and make sure that you have 
configured the correct user name and password. 

With PPPoA, see section 2.3 and make sure that you have 
configured the correct user name and password. 

Restart your computer.