How to Check the Wireless Connection on Ubuntu. The drivers and network utilities the developers of Ubuntu include with their Linux distribution make using Wi-Fi on your business's Ubuntu-powered ...

How to check Bluetooth connection strength in OS X If your Bluetooth devices are not maintaining proper connections, then poor signal strength may be to blame.

Take these troubleshooting steps to see if your Internet connection has dropped.

NetSpeedMonitor is a simple and powerful utility for monitoring Internet connection speeds.

If you see You're offline, Check your connection error message when trying to play YouTube videos even when you are connected to the internet, see this post.