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Network connectivity on Windows Vista failing

Posted on 2011-03-16
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Last Modified: 2012-05-11
I have a Fujitsu Lifebook notebook computer that has stopped responding to the network wirelessly.  AT&T had installed their software for using their Sierra USB cell phone internet connection, and that's when everything got toasted.  I tried "netsh winsock reset" and that solved the problem with not getting an IP address from the DHCP server.  However, even though it gets an IP address, it is unable to communicate.  We have removed the Sierra software and all remnants of the AT&T software, and that didn't help.  We then did a system restore back to the time before the AT&T software was installed, and still no help. We also tried "ipconfig /flushdns" and "ipconfig /registerdns"  I have even tried deleting the network adapters and reinstalling, as well as turning off the anti-virus and firewall.  The wired connection is working, which makes this pretty strange. Short of reinstalling Windows, what can I try?
Replaced the "Apple OS" Zone with the "Windows Vista Zone".

rindi,
EE ZA Storage

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Question by:karl_logue
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Expert Comment

by:rindi
ID: 35154965
Are you still getting a VALID IP from the DHCP server or not? If not, I remember having a similar problem with a lifebook a long time ago, only to find out that there was a small, well hidden switch for the wireless connector which was in the "Off" position....
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Expert Comment

by:remixedcat
ID: 35155077
does your WLAN have any access control methods like MAC access control?

First check the obvious problems.

Look for the switch like rindi said.

if that isn't a problem

check your wireless config on your router, (use the wired connection to manage)

did you disable the cell modem network connection and only enable your wifi connection?
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Expert Comment

by:Davis McCarn
ID: 35156312
It would help to know the model of the Fujitsu and the wireless adapter; but, I'd suggest you download and install the latest version of the wireless drivers from Fujitsu's website as I suspect the AT&T stuff replaced on of its files.
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Accepted Solution

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karl_logue earned 0 total points
ID: 35367704
I deleted all of the network hardware in Device Manager, rebuilt the IP stack, and reinstalled all the drivers, and it was fixed.
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Author Closing Comment

by:karl_logue
ID: 35406650
I accepted this because it worked.
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