Hi James,
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Thank you for posting your question in Microsoft Community.
From the issue descriptions, it seems that USB 2.0 802.11 n WLAN adapter drivers not working on your computer.
I can imagine the inconvenience you have experienced. I will help you in fixing the issue.
Follow the below methods and check the issue:
Method 1:
Step 1:
Follow the steps in the below link.
Open the Hardware and Devices troubleshooter:
Step 2:
Run the Microsoft Fix It from the below link.
Hardware devices are not working or are not detected in Windows :
Method 2:
Follow the steps in the below link.
Update a driver for hardware that isn't working properly:
http://windows.microsoft.com/is-IS/windows7/Update-a-driver-for-hardware-that-isnt-working-properly
Method 3:
Follow the steps from the article.
How do I fix network adapter problems? :
I hope the above information helps you.
Your reply is very important for us to ensure a proper resolution.
In future if you come across any issues regarding Windows, please feel free to post your query here on Microsoft Community, we will be more than happy to assist you.