on networks N300R, User Manual

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N300 WiFi Router (N300R) User Manual
7-2 Troubleshooting
May 2012
4. Turn on the WiFi router and wait 1 minute.
5. Turn on the computers.
Make sure that the Ethernet cables are securely plugged in.
• The Internet status light on the WiFi router is on if the Ethernet cable connecting the WiFi
router and the modem is plugged in securely and the modem and WiFi router are turned on.
• For each powered-on computer connected to the WiFi router by an Ethernet cable, the
corresponding numbered router LAN port light is on.
Make sure that the wireless settings in the computer and router match exactly.
• For a wirelessly connected computer, the wireless network name (SSID) and WEP or WPA
security settings of the router and wireless computer must match exactly.
• If you have enabled the WiFi router to restrict wireless access by MAC address, you must add
the wireless computer’s MAC address to the router’s wireless card access list.
Make sure that the network settings of the computer are correct.
• LAN connected computers must be configured to obtain an IP address automatically using
DHCP.
• Some cable modem services require you to use the MAC address of the computer registered
on the account. If so, in the Router MAC Address section of the Basic Settings menu, select
Use this Computer’s MAC Address . Click Apply to save your settings. Restart the network
in the correct sequence.
Check the Test light to verify correct router operation.
If the Test light does not turn off within 2 minutes after you turn the router on, reset the router
according to the instructions in
“Restoring the Default Configuration and Password” on page 7-11 .
Troubleshooting Basic Functions
After you turn on power to the router, the following sequence of events should occur:
1. When power is first applied, verify that the power/check icon is on.
2. Verify that the power/check light turns green and blinks slowly, indicating that the system is
initializing.