Tuesday, September 13, 2016

How Can I Fix - Cannot connect to any wireless networks after Windows 7 upgrade from Vista?

Cannot connect to any wireless networks after Windows 7 upgrade from Vista

I have a Dell E6500 laptop.
When I had Vista on it I was able to connect to wireless networks at work and home.
Since upgrading to Windows 7 32-bit the laptop sees all the wireless networks at work and home but will not connect.
There are several thousand
people at my work who are able to connect to the wireless network so the problem is not with access points or router settings.

Keys to the Problem Cannot connect to any wireless networks after Windows 7 upgrade from Vista

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·        What happens when you click the access point which you get in wireless networks?
·        Have you installed the latest network drivers for Windows 7 from the manufacturer’s website?
·        Is the wireless connection you are connecting to is a secure connection?
Follow the steps mentioned below.
Step 1:
Update the Network drivers from the manufacturer’s website and check whether you are able to connect to the home network.
Check the article mentioned below.
Update a driver for hardware that isn't working properly
Step 2:
Sometimes DHCP (Dynamic Host Configuration Protocol) service is not able to pull an IP address from DHCP server (which means the network stack on Windows).
Since you have done an upgrade install of Windows 7 from Windows Vista, it might be that
tcp/ip stack and winsock is corrupted.
Reset tcp /ip and winsock and check whether you are able to establish a network connection.
Follow the steps mentioned below.
a.       Click on Start and type in cmd.                                                
b.      From the list right click on cmd and click on Run as Administrator.
c.       Enter the commands mentioned below (one at a time) and press Enter.
o   netsh int ip reset C:\netsh.log.txt
o   netsh winsock reset
For further reference check the articles mentioned below.
Setting up a home network
What you need to set up a home network
Switching between your home and workplace networks
Thank you and Regards.
Thahaseena M
Microsoft Answers Support Engineer.
Visit our Microsoft Answers Feedback Forum and let us know what you think.

If you failed to fix it, another option is to call Microsoft and walk through the process with a technician. To do this, dial "1-800-936-5700". Explain the error that you received and the steps in the update process during which it was displayed. The technician will be able to walk through the steps from getting a new product key to finishing the installation.

Another Safe way to Repair the Problem: Cannot connect to any wireless networks after Windows 7 upgrade from Vista:

How to Fix Cannot connect to any wireless networks after Windows 7 upgrade from Vista with SmartPCFixer?

1. You can Download SmartPCFixer here. Install it on your computer. When you open it, it will perform a scan.

2. After the scan is finished, you can see the errors and problems need to be repaired. Click Fix All.

3. The Fixing part is done, the speed of your computer will be much higher than before and the errors have been removed.

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