Netgear D6400 – AC1600 WiFi VDSL/ADSL Modem Router—802.11ac Dual Band Gigabit Manuel D’Utilisation

When you turn on the power, the LEDs light as described here.

When power is first applied, the Power LED lights solid amber 

.

After about 50 seconds, the following occurs:

The Power LED lights solid green 

, indicating that the startup procedure finished.

The WiFi LED lights solid blue 

, indicating the WiFi network is available.

After approximately one minute, the DSL LED blinks green 

 to indicate that the modem 

router is negotiating the best possible speed on the DSL line. If the negotiation completes 

and a DSL link is established, the LED turns solid green. If you do not use a DSL modem 

but a cable or fiber modem, the LED remains off.

When the DSL, cable, or fiber connection is established, the Internet LED blinks amber 

. 

When an Internet connection is established, the Internet LED lights solid green 

.

Whether the USB LED 

 lights depends on whether a USB device 

is connected to one of the USB ports.

When you turn on the modem router, the Power LED turns solid amber 

. After about 

50

  seconds, the Power LED lights solid green 

, indicating that the startup procedure 

finished. If the LED still does not turn green after two minutes, a power-on self-test (POST) 
failure occurred or the modem router is malfunctioning. 

If the Power LED does not turn green, do the following:

Turn the power off and back on to see if the modem router recovers.

If the Power LED still does not turn green, reset the modem router to factory default 

settings. 

222.

You cannot connect over WiFi 
to the modem router. 
(continued)

Make sure that the modem router’s SSID broadcast is not disabled.
If the modem router’s SSID broadcast is disabled, the WiFi network name is 
hidden and does not display in your WiFi device’s scanning list. To connect 
to a hidden network, you must enter the network name and the WiFi 
password. For more information about the SSID broadcast, see 

Make sure that your WiFi device does not use a static IP address but is 
configured to receive an IP address automatically with DHCP. (For most 
devices, DHCP is the default setting.)