<br>If the user is not connected to the internet, a separate page is displayed. The tools here may be suggestions.
[[Image:Linking to network diagnostics|500px]]
<br>If the operating system already has network diagnostic function, such as OSX's Network Diagnostics and Windows' Diagnose Network Connections Wiki, simply linking to that may be all that's necessary. These already gives suggestions on how to fix the problem, so listing more on the network page is redundant.