Netgear C7100V User Manual - Page 116

Troubleshoot with the LEDs, Power LED Is Off, LEDs Never Turn Off, Internet LED Is Off

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AC1900 Cable Modem Voice Router Troubleshoot with the LEDs You can use the LEDs on the front panel of the modem router for troubleshooting. Power LED Is Off • Make sure that the power cord is securely connected to your modem router and securely connected to a working power outlet. • Check that you are using the power cord that NETGEAR supplied for this product. • If the problem persists, contact technical support for help at www.netgear.com/support. LEDs Never Turn Off When the modem router is turned on, the LEDs light for about 10 seconds and then turn off. If all the LEDs stay on, this indicates a fault within the modem router. If all LEDs are still lit one minute after power-up, do the following: 1. Cycle the power to see if the modem router recovers. 2. Press and hold the Reset button to return the modem router to its factory settings. For more information, see Factory Settings on page 123. If the error persists, a hardware problem might exist. Contact technical support at netgear.com/support. Internet LED Is Off If the Internet LED is off and the modem router is connected to the cable television cable, try the following: • Make sure that the coaxial cable connections are secure at the modem router and at the wall jack. • Make sure that your cable Internet 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 that on your cable line. Run a "home run" back to the point where the cable enters your home. Troubleshoot the Cable Internet Connection When your modem router cannot access the Internet and your Internet LED is on, register the cable MAC address or device MAC address of your modem router with your cable Internet provider. Additionally, check to make sure that the setting for your computer's TCP/IP gateway is set to use the modem router. If your computer obtains its information from the modem router by DHCP, reboot the computer and verify the gateway address. Troubleshooting 116

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Troubleshooting
116
AC1900 Cable Modem Voice Router
Troubleshoot with the LEDs
You can use the LEDs on the front panel of the modem router for troubleshooting.
Power LED Is Off
•
Make sure that the power cord is securely connected to your modem router and securely
connected to a working power outlet.
•
Check that you are using the power cord that NETGEAR supplied for this product.
•
If the problem persists, contact technical support for help at
www.netgear.com/support.
LEDs Never Turn Off
When the modem router is turned on, the LEDs light for about 10 seconds and then turn off. If
all the LEDs stay on, this indicates a fault within the modem router.
If all LEDs are still lit one minute after power-up, do the following:
1.
Cycle the power to see if the modem router recovers.
2.
Press and hold the
Reset
button to return the modem router to its factory settings. For more
information, see
Factory Settings
on page
123.
If the error persists, a hardware problem might exist. Contact technical support at
netgear.com/support
.
Internet LED Is Off
If the Internet LED is off and the modem router is connected to the cable television cable, try
the following:
•
Make sure that the coaxial cable connections are secure at the modem router and at the
wall jack.
•
Make sure that your cable Internet 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 that on your cable line. Run a “home run” back to the
point where the cable enters your home.
Troubleshoot the Cable Internet Connection
When your modem router cannot access the Internet and your Internet LED is on, register the
cable MAC address or device MAC address of your modem router with your cable Internet
provider.
Additionally, check to make sure that the setting for your computer’s TCP/IP gateway is set to
use the modem router. If your computer obtains its information from the modem router by
DHCP, reboot the computer and verify the gateway address.