Apple has issued MacBook Pro Retina SMC Update v1.1, which provides a fix for a “rare issue” for slow frame rates while playing graphics-intensive games on the 15-inch model of the MacBook Pro with Retina display. The System Management Controller update also provides bug fixes for Power Nap and wake from sleep, as well as a fix for a fan control issue. While the latter isn’t detailed in the release notes, it most likely addresses the overzealous fan spinning that’s been discussed at great length on Apple’s support forums and noted at Geek.com. After installing, the SMC will be updated to version 2.3f35. (Free, 504 KB)
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Verify Turned-Off Apple Wireless Keyboard
Can't tell if you've turned off your Apple Wireless Keyboard to prevent it from waking up an iOS device or running down its batteries? Tap the Caps Lock key, and if it illuminates, the keyboard is on; otherwise not.