Question about Linksys Wireless-G WRT54G Router

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Unable to apply any authentication for the Wireless

Unauthenticated wireless connections work alright. At the > "wireless" > "authentication" admin page, the "apply" button won't have any effect when I chose WEP, WPA or WPA2. (If I change to the "basic" tab and back to the "authentication" tab, I see the changes didn't stick: Authentication Type [disabled]) Tried all sorts of restarts. Tried to disable wireless before setting authentication. Tried firmware update. Tried filling all WEP keys, tried ASCII and HEX, tried 64 and 128 modes. Tried all settings. can't get passed authentication user name and password. nothing works

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Suggest resetting to factory defaults, then see if your can make changes to the authentication's. If not go the website of device and access help and support. BPCS

Posted on Dec 14, 2007


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Here's how to connect to your wireless router if you are getting this message:

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Temporarily disable all security on the router AND your laptop wireless card and try again to test connectivity.

The exact error message should be:
"Windows was unable to find a certificate to log you
on to the network [SSID]"

This is caused by setting the encryption to WPA-RADIUS instead of WPA-PSK on the client radio. Both the router and the client are
trying to find a RADIUS server with which to authenticate your system.
Switch the encryption to WPA-PSK (pre-shared key) on both ends and it should30924e8.jpg work.

Also check to make sure that IEEE 802.1x authentication on the wireless network properties Authentication tab is disabled.

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Wireless network connection windows was unable to find a certificate to log you onto network

xp : go to start --> control panel ---> on the top leff click on "switch to classic view" then open network and internet connections right click on the wireless conn. then from the upper tabs go to "Authentication"  your setting should be as following :
Enable IEEE 802.1x ....... (cheked) EAP Type : Smart Card or certificate Authenticate as computer ...... (checked) Authenticate as gues ..............(unchecked)
then click on "properties"
choose "use a certificate on this computer" and check "use simple caertificate ......" and check "Validate server certtificate" click ok till u close all the boxes 
:D hope that would work :D

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Dear Koteshst

Is it the router that's showing 'Limitted and no connectivity' or the PC trying to connect to the router? If it's the latter make sure that the router is configured to assign IP addresses via DHCP and that your WEP/WPA keys match on both sides. If it's the former check your authentication info for SBC.

Let me know.


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Unable to apply any authentication for the Wireless

there should'nt be a problem setting WEP security or an other unless there is a firmware problem, as you simply select security, then the method e.g. WEP, select hex, then open system amd type manually your values for a chosen key number from 1 to 4.

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