N600 and AC750 WiFi DSL Modem Routers
Changes Are Not Saved
If the modem router does not save the changes that you make in the web management
interface, do the following:
When entering configuration settings, always click the Apply button before moving to
another screen or tab or your changes are lost.
Click the Refresh or Reload button in the web browser. It is possible that the changes
occurred but that the old settings remain in the web browser’s cache.
Troubleshoot the WiFi Connectivity
If you are experiencing trouble connecting over WiFi to the modem router, try to isolate the
Does the WiFi device that you are using find your WiFi network?
If not, check that the modem router’s WiFi LED lights green. If this LED is off, the WiFi
radios might be disabled. For more information about the WiFi radios, see Control the
WiFi Radios on page 73.
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 13).
If you disabled the modem router’s SSID broadcast, your WiFi network is hidden and
does not display in your WiFi client’s scanning list. (By default, SSID broadcast is
enabled.) For more information, see Manage the Basic WiFi Settings and WiFi Security of
the Main Network on page 56.
Does your WiFi device support the security that you are using for your WiFi network
, WPA, or WPA2)? For information about changing the WiFi security, see Manage
the Basic WiFi Settings and WiFi Security of the Main Network on page 56.
Note: If you want to change the WiFi settings for the modem router, use an
Ethernet cable to connect a computer to a LAN port on the modem
router and then log in to the modem router.
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?
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