DB101 ADSL MODEM Manual
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APPENDIX B: Troubleshooting
Phenomena Suggested
Solution
Power supply light is off.
Make sure the USB connection is tight.
Power supply light is on, but
Link light is blinking.
•
Check to see if the modulate and demodulate modes have
been correctly selected
•
Make sure the phone line is connected to the modem.
Cannot establish connection
when dialing.
•
Make sure the correct driver has been installed
•
Make sure the VCI and VPI is configured correctly.
•
Make sure the protocols selected are correct.
•
Make sure you use the correct username and password.
•
For Windows 2000 or Windows XP, de-select the “Use
LCP Extension” and “Use Software Compression” in the
dial up property page
•
For Windows 98 de-select the options of “Log on
network”, keep only “TCP/IP”.
Cannot install drivers
•
Confirm USB port is functioning properly.
•
Confirm there is sufficient disk space and memory.
•
Confirm the operating system supports USB.
•
Check if viruses infect system.
Cannot uninstall driver
•
Check if processes have been correctly followed
according to the manual
Cannot reinstall
•
Make sure you follow the instruction to uninstall the
drivers.
•
In the device manager window, delete the driver for USB.
Cannot connect to the Internet
•
Make sure the dial-up connection has been correctly
established.
•
Re-configure “ADSL dial-up properties”, de-select “use IP
pointer compress”.
•
If your computer has an Ethernet card, disable it when
using third party dial-up software.
The icon disappears in system
tray.
•
Reinstall ADSL driver after normal boot up
•
Reboot the computer
