Have connection but no Internet access

My wireless connection works fine, but the computers in my house that are wired directly to the router are connected to the network but have no internet access. Ive tried using multiple Ethernet cables but it still doesn't work. The only thing i could think of is a problem with the router since its happening on multiple computers, but i guess i could be wrong. Any help would be great.
 
Is this problem something that just suddenly happened on all the cable connections?

Open control panel, go to network connections. Right click on Local Area Connection and click properties. Select TCP/IP and select properties. Make sure it is set to automatically obtain IP address.

What operating system is being used on the problem PC's.
 
Back