EXPAND FOR MORE INFORMATION — This video will show you how to solve the problem of Windows 7 receiving the following error message when trying to connect wirelessly to a wireless router with WEP encryption and wireless MAC filtering: Connect to a network Windows was unable to connect to ROUTER NAME Troubleshoot problems Tell me more about Internet connection problems This error is often encountered on Windows 7 devices when, despite having the wireless MAC address of the problem device registered in the wireless MAC filter list of the router, the Windows 7 device will show a yellow / orange exclamation mark (!) on the wireless indicator reception bars with the prompt: ‘Not connected. Connections are available.’ When opening up the Wireless Network Connections list and attempting to connect to the wireless network in question, instead of being prompted for the WEP password / passkey, the user is instead immediately presented with the error message listed above. This, despite other devices being able to access the wireless network without problem. This issue was originally discovered trying to connect an eMachines 355-13667 PAV70 NetBook with Windows 7 Starter to a NetGear WGR614v9 Wireless-G Router with WEP encryption and wireless MAC filtering enabled. For those who would rather read one short paragraph than watch a step-by-step walkthrough video, essentially this issue can be solved by first clicking OPEN NETWORK AND SHARING CENTER at the bottom of your Wireless …
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How to input the WEP password connecting a Windows 7 device to a network with wireless MAC filtering