If you want to change the WiFi settings of the modem router’s main network, use a wired connection
to avoid being disconnected when the new WiFi settings take effect.
Tip
If your WiFi device finds your network but the signal strength is weak, check these conditions:
• Is your modem router too far from your WiFi device or too close? Place your WiFi device near the modem router
but at least 6 feet (1.8 meters) away and see whether the signal strength improves.
• Are objects between the modem router and your WiFi device blocking the WiFi signal?
Troubleshoot Your Network Using the Ping Utility
Most network devices and routers contain a ping utility that sends an echo request packet to the designated device.
The device then responds with an echo reply.You can easily troubleshoot a network using the ping utility in your
computer or workstation.
Test the LAN Path to Your Modem Router
You can ping the modem router from your computer to verify that the LAN path to your modem router is set up
correctly.
To ping the modem router from a Windows computer:
1. From the Windows taskbar, click the Start button and select Run.
2. In the field provided, enter ping followed by the IP address of the modem router, as in this example:
ping 192.168.0.1
3. Click the OK button.
A message such as the following one displays:
Pinging <IP address> with 32 bytes of data
If the path is working, you see this message:
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the path is not functioning correctly, one of the following problems might be occurring:
• Wrong physical connections
For a wired connection, make sure that the numbered LAN port LED is lit for the port to which you are connected.
Diagnostics and Troubleshooting
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Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
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