Troubleshooting
107
N600 Wireless Dual Band Router WNDR3400v2
• 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. The changes might have
occurred, but the old settings might be in the web browser’s cache.
Incorrect Date or Time
Select Advanced > Security > Schedule to display the current date and time. The router
uses the Network Time Protocol (NTP) to obtain the current time from one of several network
time servers on the Internet. Each entry in the log is stamped with the date and time of day.
Problems with the date and time function can include the following:
• Date shown is January 1, 2000. This means the router has not yet successfully reached a
network time server. Check that your Internet access is configured correctly. If you have
just finished setting up the router, wait at least 5 minutes, and check the date and time
again.
• Time is off by one hour. The router does not automatically sense daylight savings time. In
the Schedule screen, select the Automatically adjust for daylight savings time check
box.
Wireless Connectivity
If you are having trouble connecting wirelessly to the router, try to isolate the problem.
• Does the wireless device or computer that you are using find your wireless network?
If not, check the Wireless LEDs on the front of the router. They should be lit. If they are
not, you can press the WiFi On/Off button on the back of the router to turn the router’s
wireless radio back on.
If you disabled the router’s SSID broadcast, then your wireless network is hidden and
does not show up in your wireless client's scanning list. (By default, SSID broadcast is
enabled.)
• Does your wireless device support the security that you are using for your wireless
network (WPA or WPA2)?
• If you want to view the wireless settings for the router, use an Ethernet cable to connect a
computer to a LAN port on the router. Then log in to the router and select Setup >
Wireless Settings see (Basic Wireless Settings on page 27).
Note: Be sure to click Apply if you make changes.
Wireless Signal Strength
If your wireless device finds your network, but the signal strength is weak, check these
conditions:
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