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Option-Click AirPort Menu for Network Details

If you hold down the Option key while clicking the AirPort menu in Mac OS X 10.5 Leopard, you'll see not just the names of nearby Wi-Fi networks, but additional details about the selected network. Details include the MAC address of the network, the channel used by the base station, the signal strength (a negative number; the closer to zero it is, the stronger the signal), and the transmit rate in megabits per second showing actual network throughput. If you hover the cursor over the name of a network to which you're not connected, a little yellow pop-up shows the signal strength and type of encryption.

 
 

Firmware Updates for iMac, Mac mini, MacBook Air, and MacBook Pro

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Apple has released a quartet of firmware updates for models released in 2011: iMac EFI Firmware Update 1.9, Mac mini EFI Firmware Update 1.6, MacBook Air EFI Firmware Update 2.4, and MacBook Pro EFI Firmware Update 2.7. Each update improves reliability when booting from the network, addresses issues with HDCP authentication after rebooting, and fixes a problem with boot device selection when a USB storage device is hot-plugged. As with any firmware update, you should read the installation instructions carefully before installing and avoid interrupting the update process. To ensure you get an update only if it’s necessary, we recommend relying on Software Update; if an update doesn’t appear for you, it’s not appropriate for your Mac. (Free, each approximately 4 MB)

 

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Comments about Firmware Updates for iMac, Mac mini, MacBook Air, and MacBook Pro
(Comments are closed.)

Tony Hernandez  2012-03-11 08:56
EFI firmware update 2.7 was installed but every time I run system update it tries to install the update again. Any help would be appreciated. Thanks.
Adam Engst  An apple icon for a TidBITS Staffer 2012-03-11 10:58
What happens if you let it install again? Perhaps it didn't finish successfully the first time?