Wi-Fi is essential for most Mac users, but what happens when your network becomes patchy? Apple’s hidden Wi-Fi diagnostic tool should help you improve Wi-Fi performance.
[ABOVE: Apple’s Wi-Fi Diagnostics tool should look like this. I’ve deleted BSSID and network names for security.]
The hidden tool
To access Wi-Fi diagnostics, Option-click the Wi-Fi icon in the menu bar. In the drop-down menu that appears, select “Open wireless diagnostics”. The Wi-Fi diagnostics app is hidden inside / System / Library / CoreServices / Applications, from which you can drag the app icon to make it easily available in the Dock.
When you start the app, a screen appears telling you what the tool is doing and asking you to let it run tests to determine the status of your current Wi-Fi connection; these operations may take a few minutes to complete.
In Wireless Diagnostics, open the Utilities window via the menu bar (Command-2). This shows a lot of informationon inside: Information, …
- According to this source OS X Mavericks: Using Apple’s Hidden Wi-Fi Diagnostic Tool
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