Wi-Fi is a wireless communication technology used to connect computers, printers, cell phones, and PDAs to the Internet or to a local network. Wi-Fi allows users to connect devices without a hard (wired) connection to a modem or router. Unfortunately, wireless connections also make devices vulnerable to data breaches if the connection is not secure. Other users on the same wireless network could access private information on your computer via its Wi-Fi connection. You can disable the Wi-Fi connection on your computer to prevent others from possibly accessing your information.
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Open the "Start" menu in the Windows taskbar located at the bottom of your desktop. Click "Control Panel" in the right pane of the Start menu.
Select "Network and Sharing" from within the Control Panel.
Select "Manage Network Connections" on the left side of the Network and Sharing window.
Right-click the wireless network connection (Wi-Fi) icon and click "Disable." Your Wi-Fi connection is now turned off.
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