Check the network connection.
You may have a bad network connection. Check your network settings to see if you are getting a strong enough signal.
It is possible that the router (wireless network) that you are connecting to is not currently connected to a modem (the internet). In this case, your computer will say that it is connected to a wireless network, but the network is not connected to the internet. If you have access to the router, check to see that the router has an ethernet connection to a modem.
The sound card is the first item what you need to check. If have no problem with the card, you need to check the software. And maybe you need check the connection,
In settings choose Network or in the bottom right corner there should be a wifi symbol. Select that to bring up Wifi settings.
This may be because there is an interruption in your network connection. Go under settings and check your network connection to see the strength. If it is low this could be why it is telling you there is an error.
To check the network card and its connection.
Well, if you know the password windows should remember it so it can be logged in to the network at all times. If it is no longer accessible please check your wireless settings or contact your network admin. He/She may have turned off the internet connection or changed the password. Also you may have bad internet connection your self.
First check if the phones internet is working properly. If thats all fine check the diver properties of your wireless network adapter you should try reinstalling it ..if you right click on the wifi connection icon you get all the services your wireless network adapter is using one of them might not be installed
Sounds like you are using a wireless connection First thing to check is youre wireless connection from the gateway or router Secured (wep, wpa, wpa 2) second how many things are running on the network too many can cause this third check n xbox.com for the list of ports for xbox live ( Nat Ports ) and make sure theyre open on the router and that should resolve the issues. Or sometimes your connection gets struck by lightning.
for win Vista, go to control panel, then Network and Internet, connect to a network, and if your connection is visible, right-click on it and check the properties box to "connect automatically when this network is in range."
Click on connect to, click on Open Network and Sharing Center.