Here's a tip from my colleague Ed Wilson (the Microsoft Scripting Guy) about how to use PowerShell to to enable all network adapters on a computer.
Question: You are troubleshooting your Windows 8.1 laptop and want to quickly enable all network adapters. How can you do this?
Answer: Use the Get-NetAdapter and the Enable-NetAdapter commands. The command line appears here:
Get-NetAdapter | ? status -ne up | Enable-NetAdapter
Mitch Tulloch is a nine-time recipient of the Microsoft Most Valuable Professional (MVP) award and a widely recognized expert on Windows administration, deployment and virtualization. For more information see http://www.mtit.com.
Ed Wilson is the bestselling author of eight books about Windows Scripting, including Windows PowerShell 3.0 Step by Step, and Windows PowerShell 3.0 First Steps. He writes a daily blog about Windows PowerShell call Hey, Scripting Guy! that is hosted on the Microsoft TechNet Script Center; for more PowerTips check out the Hey, Scripting Guy! blog.