CNET CWR-901 User Manual page 55

Intermittent connectivity
Incorrect, missing, or stale
visible networks
Wireless client has associated
but there is no valid IP address
configuration or no network
connectivity
Wireless connection problems
when performing a suspend
and resume with a laptop
computer
• AP/Router is not power on
• IEEE 802.1X authentication
is enabled on the wireless
client and is not enabled on
the wireless AP/Router
• Improperly functioning or
outdated wireless network
adapter driver
• Improperly functioning
wireless AP/Router
• Improperly functioning or
outdated wireless network
adapter driver
• Improperly functioning radio
equipment on wireless
AP/Router or wireless network
adapter
• Authentication problem
• Incorrect encryption key
• Bad or missing certificates
• Improperly functioning
wireless AP
• The Wireless Zero
Configuration or Wireless
Configuration services are not
running
• Improperly functioning or
outdated wireless network
adapter driver
55
• Check the "Power" LED.
Make sure that you've plugged
in the power cord.
• The symptom of this issue is
when the wireless client loses
connectivity every 3 minutes or
so. Disable the authentication
feature on the wireless client.
• Obtain and install the most
recent version of the wireless
network adapter driver.
Contact CNet Technical
Support
• Obtain and install the most
recent version of the wireless
network adapter driver.
• Run diagnostic functions on
the wireless network adapter.
• Verify that the wireless
network configurations
between the wireless client
and wireless AP/Router are
compatible.
• If you are using a static WEP
key, verify that it has been
correctly configured.
• Verify whether other
computers connected to the
wireless AP have the same
problem. If all wireless clients
of the same wireless
AP/Router have the same
problem, check the wireless
AP/Router settings.
• IEEE 802.1X authentication
might be failing. Check it
again.
• Check to see if the Wireless
Zero Configuration or Wireless
Configuration services are
running with the sc query
wzcsvc command.
• With the Services snap-in,
ensure that the Wireless Zero
Configuration or Wireless