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Troubleshooting
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ProSafe Premium 3 x 3 Dual-Band Wireless-N Access Point WNDAP620
• Make sure that your browser has Java, JavaScript, or ActiveX enabled. If you are using
Internet Explorer, click Refresh to be sure that the Java applet is loaded.
• T
ry quitting the browser, clearing the cache, deleting the cookies, and launching the
browser again.
• Make sure
that you are using the correct login information. The factory default login name
is admin, and the password is password. Make sure that Caps Lock is off when entering
this information.
If the wireless access point does not save changes you have made in the web
management interface, check the following:
• W
hen entering configuration settings, be sure to click the Apply button before moving to
another screen or tab, or your changes are lost.
• Click the Refres
h or Reload button in the web browser. The changes might have
occurred, but the web browser might be caching the old configuration.
When You Enter a URL or IP Address a Time-Out Error
Occurs
A number of things could be causing this.
Try the following troubleshooting steps:
• Che
ck whether other computers on the LAN work correctly. If they do, ensure that your
computer’s TCP/IP settings are correct. If you use a fixed (static) IP address, check the
subnet mask, default gateway, DNS, and IP addresses of the wireless access point (see
Configure the IPv4 Settings on p
age 25).
• I
f the computer is configured correctly but still not working, ensure that the wireless
access point is connected and turned on. Access it and check its settings. If you cannot
connect to the wireless access point, check the LAN and power connections.
• I
f the wireless access point is configured correctly, check your Internet connection (for
example, your cable modem) to make sure that it is working correctly.
Troubleshoot a TCP/IP Network Using the Ping Utility
• Test the LAN Path to Your Wireless Access Point
• Test the Path from Your Computer to a Remote Device
Most TCP/IP terminal devices and routers con
tain 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 TCP/IP network by using the ping utility in your computer.