Connection timed out Wi-Fi: this error appears when your Wi-Fi server takes too long to respond to a data request from your device.
Connection time-out TCP: you see this error when there's a misconfiguration of the TCP settings. You can fix it by manually changing your TCP configuration.
Connection attempt timed out: you might experience this error because of a network issue. Check for any problems with the network diagnosis tool, and if any are found, fix them.
The connection request timed out: this error is caused by your network settings. Configure your network settings correctly to fix this error.
Connection server timed out: due to a network overload or problem, the server takes a bit longer to respond. This error is shown when the server has taken too long to respond to your connection request.