Tech Support: Default gateway is not available, Win 7, 32 bit

Default gateway is not available, Win 7, 32 bit

I'm trying to connect to the wireless network at my local library and am having difficulties.
 I have Windows 7 Pro, 32 bit on a Lenovo T61.
 I have never had a problem with a wireless connection before now, but I have tried seemingly everything within
reason and nothing seems to fix the problem.

My wireless radio recognizes the network named "wireless" and tries to establish a connection.
 My settings are set to automatically detect settings.
 After about 1 minute of attempting, it will say that I have connected to an "unidentified network" with
limited or no connectivity, no internet access.
 I've tried resetting the IP, and still get the same results.
 I've tried updating my wireless drivers, but they are all up to date.
 I've even used a program to rebuilt my TCPIP, and still got nothing.

After running through the troubleshooting, it recommends that I talk to the network administrator (but there is no IT person at this small library), and to reset the gateway (unplug, wait, plug back in).
 I reset the gateway, but that didn't help.
troubleshooting then continues to tell me that the "Default gateway is not available".
 I know I recently installed Service Pack 1 for Windows 7, but I'm not sure if this is in any way related to my problem since I didn't try connecting before running the

Someone please figure this out.
 I worked doing customer service troubleshooting for an ISP for two summers, and still I don't have a clue as to what is causing me these problems.
 Others connect effortlessly to this network, and it appears that I even
get a valid IP address, but alas the Internet is not available to me.

Keys to the Problem Default gateway is not available, Win 7, 32 bit

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Hi jhudiddy,
·         Which antivirus software is installed on the computer?
Try the following steps and check if it helps:
Step 1:
Temporarily disable the antivirus software installed on the computer and check if it helps.
Disable antivirus software
Antivirus software can help protect your computer against viruses and other security threats.
In most cases, you shouldn't disable your antivirus software.
If you have to temporarily disable it to install other software, you should re-enable
it as soon as you're done.
If you're connected to the Internet or a network while your antivirus software is disabled, your computer is vulnerable to attacks.
Step 2:
Check the status of the issue in safe mode with networking.
Let us know if the issue persists in safe mode with networking.
Advanced startup options (including safe mode with networking)
Step 3:
If the issue does not occur in safe mode with networking then, place the computer in a clean boot state and troubleshoot the issue.
You can start Windows Vista or Windows 7 by using a minimal set of drivers and startup programs.
This kind of startup
is known as a "clean boot." A clean boot helps eliminate software conflicts.
How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7
(Step 1: Perform a clean boot)
If your issue is resolved after performing Clean Boot, then follow the steps mentioned in the following KB article to narrow down the exact source:
Also, see the section on how return your computer to a Normal startup mode by following the steps under “Reset the computer to start as usual”, after performing the clean boot troubleshooting.

Hope this helps.

Cleaning your computer, components, and peripherals help keep everything in good working condition and helps prevent germs from spreading. You can't image how dirty the inside of your computer case can get. All the dust and dirt is going to prevent proper air flow and may even prevent the fan from working.

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