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Use LEDs to Troubleshoot
The following table provides help when using the LEDs for troubleshooting.
Table 4. LED troubleshooting
LED Behavior
All LEDS are off when the modem
router is plugged in.
All LEDs stay on.
LAN LED is off for a port with an
Ethernet connection.
Internet LED is off and the modem
router is connected to the cable
television cable.
Cannot Log In to the Modem Router
If you cannot access the modem router from a computer on your local network, check the
following:
•
If you are using a WiFi connection, check to make sure that your computer or mobile
device is connected to the correct WiFi network.
•
If your computer is connected to the modem router with an Ethernet cable, check the
connection.
•
Make sure that your computer's IP address is on the same subnet as the modem router.
If you are using the recommended addressing scheme, the address of your computer is
in the range of 192.168.0.02 to 192.168.0.254.
WiFi Cable Modem Router Model C3000v2 and C3700v2
Action
•
Make sure that the power cord is properly connected to your
modem router and that the power adapter is properly connected to
a functioning power outlet.
•
Check that you are using the 12 VDC power adapter from
NETGEAR for this product.
•
If the error persists, a hardware problem is occurring. Contact
technical support.
•
Clear the configuration of the modem router to its factory defaults.
This operation sets the IP address of the modem router to
192.168.0.1. See
•
If the error persists, there is a hardware problem. Contact technical
support.
•
Make sure that the Ethernet cable connections are secure at the
modem router and at the hub or computer.
•
Make sure that power is turned on to the connected hub or
computer.
•
Be sure that you are using the correct cable.
•
Make sure that the coaxial cable connections are secure at the
modem router and at the wall jack.
•
Make sure that your cable service provider provisioned your cable
Internet service. Your provider can verify that the signal quality is
good enough for modem router service.
•
Remove any excessive splitters from your cable line.
Troubleshooting
Factory Default Settings
100
on page 105.
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