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Possible Solution
Problem
1.
Turn off and unplug the DSL, cable, or fiber modem.
2.
Turn off the
modem router
.
3.
Plug in the DSL, cable, or fiber modem and turn it on. Wait two minutes.
4.
Turn on the
modem router
and wait two minutes.
If network problems still occur, make sure that your ISP does not require you to
use the MAC address of the computer that was used to initially register the ISP
account. If your ISP does require that you do this, you must change the
modem
router
MAC address that the
modem router
uses. For more information, see one
of the following sections:
Manually Set Up an ADSL Internet Connection
on page 51
Manually Set Up a VDSL Internet Connection
on page 63
Manually Set Up a Cable or Fiber Internet Connection
on page 73
You cannot connect
over an Ethernet
Make sure that the Ethernet cables are securely plugged in.
Make sure that your computer or 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.)
cable to the
modem
router
.
You cannot connect
over WiFi to the
modem router
.
Make sure that the WiFi settings in your WiFi device and
modem router
match
exactly.
For a device that is connected over WiFi, the WiFi network name (SSID) and WiFi
security settings of the
modem router
and WiFi computer must match exactly.The
default SSID and password are on the product label (see
Bottom Panel Product
Label
on page 17).
Make sure that your WiFi device supports the security that you are using for your
WiFi network (WEP, WPA, or WPA2). For information about WiFi security settings,
see
Manage the Basic WiFi Settings and WiFi Security of the Main Network
on
page 102.
Make sure that the
modem router
is not too far from your WiFi device or too close.
Move your WiFi device near the
modem router
but at least 6 feet (1.8 meters)
away and see if the signal strength improves.
Make sure that the WiFi signal is not blocked by objects between the
modem router
and your WiFi device.
Make sure that the WiFi LED on the
modem router
is not off.
If this LED is off, both WiFi radios might be disabled. For more information about
the WiFi radios, see
Control the WiFi Radios
on page 123.
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
Diagnostics and Troubleshooting
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Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
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Possible Solution
Problem
network, you must enter the network name and the WiFi password. For more
information about the SSID broadcast, see
Manage the Basic WiFi Settings and
WiFi Security of the Main Network
on page 102.
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.)
Troubleshoot with the LEDs
When you turn on the power, the LEDs light as described here:
1.
Two seconds after the power is first applied, the Power LED
lights solid amber for about 10
seconds, turns off for about 20 seconds, and then lights solid amber again.
2.
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.
Verify the following:
The Internet LED
is blinking white or solid white.
The DSL LED
is solid white.
The 2.4 GHz WiFi LED
and 5 GHz WiFi LED
are blinking white or solid white (unless
you turned off the wireless radios).
A USB 3.0 port LED
is blinking white or solid white for any connected USB device.
An Ethernet port LED
is blinking white or solid white for any connected and powered-on
Ethernet device.
The WiFi LED
is solid white (unless you turned off the wireless radios).
The WPS LED
is solid white.
You can use the LEDs for troubleshooting. For more information, see the following sections:
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Power LED Is Off
on page 298
Power LED Remains Solid Amber
on page 298
WiFi LED Is Off
on page 298
Troubleshoot the Internet Connection
on page 299
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
www.netgear.com/support
.
Power LED Remains Solid Amber
Two seconds after the power is first applied, the Power LED
lights solid amber for about 10 seconds,
turns off for about 20 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 malfunctioning.
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, ptress and hold the
Reset
button to return the
modem router
to its factory settings.
If the error persists, a hardware problem might exist. For recovery instructions or help with a hardware
problem, contact technical support at
www.netgear.com/support
.
WiFi LED Is Off
If the WiFi LED
remains off, check to see if both radios on the
modem router
are disabled (see
Control
the WiFi Radios
on page 123). By default, both radios are enabled and the WiFi LED lights solid white.
You Cannot Log In to the
Modem Router
If you are unable to log in to the
modem router
from a computer on your local network and use the web
management interface, check the following:
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Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
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If you are using an Ethernet-connected computer, check the Ethernet connection between the computer
and the
modem router
.
Make sure that the IP address of your computer is on the same subnet as the
modem router
. If you
are using the recommended addressing scheme, your computer’s address is in the range of 192.168.0.2
to 192.168.0.254.
Make sure that your computer can reach the
modem router
’s DHCP server. Recent versions of Windows
and Mac OS generate and assign an IP address if the computer cannot reach a DHCP server. These
autogenerated addresses are in the range of 169.254.x.x. If your IP address is in this range, check
the connection from the computer to the
modem router
and reboot your computer.
If your
modem router
’s IP address was changed and you do not know the current IP address, use an
IP scanner application to detect the IP address. If you still cannot find the IP address, clear the
modem
router
’s configuration to factory defaults. This sets the
modem router
’s IP address to 192.168.0.1. For
more information, see
Return the Modem Router to Its Factory Default Settings
on page 238 and
Factory
Settings
on page 309.
Make sure that Java, JavaScript, or ActiveX is enabled in your browser. If you are using Internet
Explorer, click the
Refresh
button to be sure that the Java applet is loaded.
Try quitting the browser and launching it again.
Make sure that you are using the correct login information. The user name is
admin
, and the default
password is
password
. Make sure that Caps Lock is off when you enter this information.
If you are attempting to set up your
modem router
behind an existing router in your network, set up
the
modem router
as a WiFi access point (see
Use the Modem Router as a WiFi Access Point
on
page 131).
If you are attempting to set up your
modem router
as a replacement for an ADSL gateway in your
network, the
modem router
cannot perform many gateway services. For example, the
modem router
cannot convert DSL or cable data into Ethernet networking information. NETGEAR does not support
such a configuration.
Troubleshoot the Internet Connection
If your
modem router
cannot access the Internet, check the DSL connection, then the WAN TCP/IP
connection.
Troubleshoot the DSL Link
If your
modem router
is unable to access the Internet, first determine whether the DSL link with the service
provider is working. The DSL LED indicates the state of this connection.
DSL LED Is Solid White
If the DSL link LED lights solid white
, the DSL connection is good.You can be confident that the
service provider connected your line correctly and that your wiring is correct.
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DSL LED Is Blinking White
If the DSL LED is blinking white
, your
modem router
is attempting to make a DSL connection with
the service provider. If the
modem router
establishes a DSL connection, the DSL LED turns solid white.
This connection process generally lasts several minutes.
If the DSL LED does not turn solid white, disconnect all telephones on the line. If this solves the problem,
reconnect the telephones one at a time, being sure to use a microfilter on each telephone. If the microfilters
are connected correctly, you can connect all your telephones.
If disconnecting telephones does not result in a solid white DSL LED, a problem with your wiring might
exist. If the telephone company tested the DSL signal at your network interface device (NID), then wiring
in your house might be of poor quality.
DSL LED Is Off or Internet LED Is Off
If the DSL LED is off
, the Internet LED is off
, or both are off, disconnect all telephones on the
line. If this solves the problem, reconnect the telephones one at a time, being sure to use a microfilter on
each telephone. If the microfilters are connected correctly, you can connect all your telephones.
If disconnecting telephones does not result in a blinking white or solid white DSL LED, check the following:
Check to see that the telephone company made the connection to your line and tested it.
Verify that you are connected to the correct telephone line. If more than one phone line is installed,
be sure that you are connected to the line with the DSL service. It might be necessary to use a swapper
if your DSL signal is on pins 1 and 4 or the RJ-11 jack. The
modem router
uses pins 2 and 3.
Internet LED Is Off
If the Internet LED is off
, the
modem router
cannot connect to the Internet. Verify the following:
Check to see that your login credentials are correct or that the information you entered for the ISP
connection is correct. For more information, see one of the following sections:
Manually Set Up an ADSL Internet Connection
on page 51
Manually Set Up a VDSL Internet Connection
on page 63
Manually Set Up a Cable or Fiber Internet Connection
on page 73
Check to see if your ISP is experiencing a problem—it might not be that the
modem router
cannot
connect to the Internet, but rather that your ISP cannot provide an Internet connection.
Obtain an Internet IP Address
If the
modem router
cannot access the Internet but the Internet LED
lights solid white, see if the
modem router
can obtain an Internet IP address from the ISP. Unless the
modem router
is assigned a
Diagnostics and Troubleshooting
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Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000

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