•The WiFi LED is solid white (unless you turned off the WiFi radios).
•The WPS LED is solid white.
If USB devices and an eSATA device are attached to the modem router, their associated
LEDs also light.
You can use the LEDs for troubleshooting. For more information, see the following sections:
•Power LED Is Off on page 285
•Power LED Remains Solid Amber on page 285
•WiFi LED Is Off on page 286
•Troubleshoot the Internet Connection on page 286
Power LED Is Off
If the Power LED and other LEDs are off when your modem router is turned on, do the following:
•Make sure that the Power On/Off button on the back is in the on position, that is, it is pushed in.
•Make sure that the power cord is correctly connected to your modem router and that the power supply adapter
is correctly connected to a functioning power outlet.
•Make sure that you are using the 12 VDC 3.5A power adapter that NETGEAR supplied for this product.
If the error persists, a hardware problem might exist. For recovery instructions or help with a hardware problem,
contact technical support at netgear.com/support.
Power LED Remains Solid Amber
One second after the power is first applied, the Power LED lights solid amber for about 10 seconds, turns off for
about 2 seconds, and then lights solid amber again. About two minutes after the power is first applied, the Power
LED lights solid white, indicating that the startup procedure is complete and the modem router is ready.
If the Power LED remains solid amber and does not turn solid white, a failure occurred or the modem router is
If the Power LED does not turn solid white, do the following:
1. Turn the power off and back on and wait several minutes to see if the modem router recovers.
2. If the modem router does not recover, press and hold the Reset button to return the modem router to its factory
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800