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Access Wireless Diagnostics app in OS X 10.8.4 or later Apps
New to OS X 10.8.4 is a Wireless Diagnostics app, which you can access from the Wi-Fi menu extra in your menubar (press the Option key, click the Wi-Fi menu extra, then choose Open Wireless Diagnostics), or by double-clicking the app in /System/Library/CoreServices.

Apple provides information about this app, which generates an archive of log files for troubleshooting. Wireless Diagnostics also features a number of informational sections. After you've generated a log, a Summary screen offers you information about Wi-Fi Best Practices, and provides information about any issues you may have.

A Utilities window (accessible from the Window menu) provides more information about your Wi-Fi network. It lets you scan all available Wi-Fi networks, offers a performance log, and much more.

This is a powerful tool, which can be very helpful if you are having Wi-Fi problems.

[kirkmc adds: I found, after posting the hint, that this isn't new. It's been available at least since Mac OS X 10.7. I didn't find it when searching the site because it used to be called Wi-Fi Diagnostics. OS X 10.8.4 brings version 2 of the app, a "major revamp," according to my Macworld colleague Dan Frakes.]
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Access Wireless Diagnostics app in OS X 10.8.4 or later | 3 comments | Create New Account
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Access Wireless Diagnostics app in OS X 10.8.4 or later
Authored by: NameAnon on Jun 10, '13 08:06:43AM

Wi-Fi Diagnostics.app is also available in 10.7.5 in
/System/Library/CoreServices



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Access Wireless Diagnostics app in OS X 10.8.4 or later
Authored by: Mike Perry on Jun 11, '13 08:38:26AM

Also be advised that, at least in 10.8.4, you've got to have WiFi turned on before diagnostics and some other menu items appear.



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Access Wireless Diagnostics app in OS X 10.8.4 or later
Authored by: Marc_S on Jun 25, '13 12:33:31AM

For some reason my mac keeps disconnecting from my Airport Extreme lately. I havent' changed any settings on the extreme. I've used the app, but my connection drops and it doesn't even notice it. I now have a grabbed picture of the app idling beneath a grayed out connectivity icon. Hope there are other ways as well.



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