Vista laptop won't connect to any network

A client brought me a fairly new laptop that sees wireless networks, can connect to them, but never sends out any packets requesting an IP address.

I reset winsock and rebooted.  I've repaired and rebooted.

Any ideas?
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splaitAsked:
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splaitAuthor Commented:
I took the (??) easy way out.  After hours of playing with this and following all instructions above, with no joy to be had, I cut recovery DVDs and reinstalled everything.  

Thank you all for your help, but I fear we will never know the cause or the solutions.

Ah, well.
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chinawalCommented:
Most probably, anti-virus/security software is causing this problem. If you have Symentec/Norton Security software, try uninstalling and see if that works. Make sure, you use this to uninstall:
ftp://ftp.symantec.com/public/english_us_canada/removal_tools/Norton_Removal_Tool.exe

I had similar problem on my pc and this worked.
http://forums.techarena.in/windows-vista-network/691007.htm

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splaitAuthor Commented:
Antivirus software might cause the PC to get no response, or may not allow the packet out of the computer, but it will TRY to send a packet.  This isn't doing anything!

I can't get a valid IP address.  I get a 169.254.xxx.xxx address.  The wireless network that the Network Center says I am "connected" to is marked as "unknown".

So I hard coded a network address with gateway, subnet mask, and DNSs.  Now, it recognizes the network, but I get no Internet.  Packets are now going back and forth (I think that the received packets are due to the sent packets, but I don't really know).  However, when I try to ping an IP address out of my network, I get a "general failure" message.

I suppose I should mention that this is a home network with a router and no server going out over cable.

I turned off all Norton A-V processes with no success in connecting properly.
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Jackie ManCommented:
Have you try to restart the router and broadband modem and try to connect again?
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chinawalCommented:
Is it Vista SP1 or SP2 or with no SP.  Did you try re-installing Network Device driver?
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Jakob DigranesSenior ConsultantCommented:
if all device drivers is updated, Windows is updated - check the following:
- remove ALL settings for this Wireless in advanced settings for wireless
- what channel is the WiFi broadcasting at? try changing (use channels 1, 6 or 11)
- install Wireshark (www.wireshark.org) and have this monitoring the WiFi card when trying to connect (you can post the capture here as a Capturefile)
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splaitAuthor Commented:
I will do these things in the morning.  Thank you!
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splaitAuthor Commented:
I will post more later today.  I have upped the point value of this thread.
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Bransby-ITCommented:
First check in "tools, Internet options, connections, LAN settings and mak sure you haven got proxy set." had a couple of these lately and so easy to fix! Let us know!
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John GriffithConsultantCommented:
Boot into SAFEMODE w/ Networking and see if symptoms are same - or if it works.
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splaitAuthor Commented:
Ok, here's an update:

I connected he laptop to my network through a wired connection in normal mode.  I still get local only, but I have a valid IP address.  When I ping the router (192.168.0.1), I get a "general failure" message for the four attempts.

The same happens in Safe Mode.

By the way, in either mode, I do not get a valid IP address for the wireless connection.
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splaitAuthor Commented:
@BRansby-IT - nope.  That was not checked.

@chinawal - Vista SP2.  I read the Tribune thread.  This PC does have Norton, but it is AV only.  Windows firewall is off, as is malware protection.

I did a "netsh winock reset" with no apparent change.

I looked at the hosts file and removed a localhost setting "::1" which changed nothing.

I have rebooted between each change.

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splaitAuthor Commented:
I will address the wireless issue after I fix the wired issue.
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