Hello Daniel,
Thank you for posting your question on Microsoft community.
I would like to know some information about the issue so that we could help you better.
Is your computer connected to a domain network?
I appreciate you for providing details about the issue and your efforts towards resolving it.
This issue may occur due to the following reasons:
- Mismatched network standards.
- Missing updates.
- Incorrect network connection settings.
- Damaged or incompatible drivers.
I would suggest you to try following methods and check if it helps.
Method 1:
Run network troubleshooter and check.
Refer:
Using the Network troubleshooter in Windows 7
http://windows.microsoft.com/en-US/windows7/Using-the-Network-troubleshooter-in-Windows-7
If it does not help, use method 2:
Method 2:
Please use suggestions provided in this article and check the issue.
Refer:
Why can't I connect to a network?
http://windows.microsoft.com/en-us/windows/cant-connect-to-network#1TC=windows-7
I hope this information helps.
Please do let us know if you need any further assistance.
Thank you