Chapter 9 Troubleshooting the Installation
134
68-4004214-01 Rev D
Having Difficulty?
I cannot connect to the Internet
Verify that the plug to your cable modem gateway AC power is properly
inserted into an electrical outlet.
Verify that your cable modem gateway AC power cord is not plugged into an
electrical outlet that is controlled by a wall switch. If a wall switch controls the
electrical outlet, make sure the switch is in the
ON
position.
Verify that the
POWER
and
CABLE
indicator lights on the front panel of your
cable modem gateway are illuminated.
Verify that the indicator lights on your router or other network connection
equipment are illuminated.
Verify that all cables are properly connected, and that you are using the correct
cables.
Verify that your cable service is active and that it supports two-way service.
Verify that TCP/IP is properly installed and configured on all devices if you are
using the Ethernet connections.
Verify that you have followed the procedure in
Install USB Drivers
(on page 23)
if you are using the USB connection.
Verify that you have called your service provider and given them the serial
number and MAC address of your cable modem gateway.
If you are using a cable signal splitter so that you can connect the cable signal to
other devices, remove the splitter and reconnect the cable so that the cable
modem gateway is connected directly to the main cable input. If the cable
modem gateway now functions properly, the cable signal splitter may be
defective and may need to be replaced.
For best performance over an Ethernet connection, your PC should be equipped
with a 10/100BASE-T network interface card.
My cable modem gateway does not register an Ethernet connection
Even new devices do not always have Ethernet capabilities. Verify that your device
has an Ethernet card and that the Ethernet driver software is properly installed. If
you purchase and install an Ethernet card, follow the installation instructions very
carefully.