Duplicating a fix provided by the recently released Firmware Update 1.6 (see “SMC Firmware Updates for MacBook, MacBook Pro, and MacBook Air,” 31 January 2013), Apple has released MacBook Pro SMC Firmware Update 1.7 to target a range of specific models — both 15- and 17-inch MacBook Pro models released in mid-2010 and early 2011. Like the previous update, this one addresses a “rare issue” that caused laptops with a battery that had accumulated more than 1,000 charge cycles to shut down and possibly fail to boot back up again. As always with firmware updates, we recommend relying on Software Update or the App Store app to ensure you get the firmware update for your MacBook Pro, and being careful not to interrupt the update process. (Free, 1 MB)
How Loud Are Your Mac's Fans?
When they get hot, Macs turn on various internal fans to keep components cool. The noise can be annoying, but just how loud is it? If you have an iOS device with a built-in microphone, you can download one of many free sound meter apps (search on
decibel in the App Store) and see if you're subjecting your ears to a truly unreasonable noise level.