Netgear AC1750 业主指南
Troubleshooting
96
AC1750 WiFi Cable Modem Router
Use LEDs to Troubleshoot
The following table provides help when you are using the LEDs for troubleshooting.
Table 3. Troubleshooting with the LEDs
LED Behavior
Action
All LEDS are off when the modem
router is plugged in.
•
Make sure that the power cord is properly connected to your
modem router and that the power supply adapter is properly
connected to a functioning power outlet.
modem router and that the power supply adapter is properly
connected to a functioning power outlet.
•
Make sure that you are using the 12 VDC power adapter from
NETGEAR for this product.
NETGEAR for this product.
•
If the error persists, this indicates a hardware problem. Contact
technical support.
technical support.
All LEDs stay on.
•
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
This operation sets the IP address of the modem router to
192.168.0.1. See
•
If the error persists, this indicates a hardware problem. Contact
technical support.
technical support.
LAN LED is off for a port with an
Ethernet connection.
Ethernet connection.
•
Make sure that the Ethernet cable connections are secure at the
modem router and at the hub or computer.
modem router and at the hub or computer.
•
Make sure that power is turned on to the connected hub or
computer.
computer.
•
Be sure that you are using the correct cable.
Internet LED is off and the modem
router is connected to the cable
television cable.
router is connected to the cable
television cable.
•
Make sure that the coaxial cable connections are secure at the
modem router and at the wall jack.
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.
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.
“home run” back to the point where the cable enters your home.
Cannot Log In to the Modem Router
If you cannot access the modem router from a computer on your local network, check the
following:
following:
•
If you are using a WiFi connection, make sure that your computer or mobile device is
connected to the correct WiFi network.
connected to the correct WiFi network.
•
If your computer is connected to the modem router with an Ethernet cable, check the
connection.
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 192.168.0.10 to 192.168.0.254.
If you are using the recommended addressing scheme, the address of your computer is
in the range of 192.168.0.10 to 192.168.0.254.