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OS X 10.9.4 fixes a long-standing bug in Mavericks related to wi-fi connections coming out of sleep. http://support.apple.com/kb/HT6281?viewlocale=en_US&locale=en_US


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Your question specifically asked for making your MacBook more secure when you leave your desk. Here are a couple more suggestions for you to consider depending our your needs: In Keychain Access.app each Keychain can have its own lock settings. By default you should have a login and a System keychain. Right click on the keychain and you can set it to ...


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Hard disk drive failure A few weeks ago I found similar symptoms with a colleague's iMac: sometimes it behaved as if no drive was installed sometimes during normal use, the Mac stopped working (not a total freeze; the reported symptoms were as if there was an I/O issue) – this was less likely to occur if the Mac was cool in FireWire target disk mode, ...


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Caffeine is a small free app that can be used to temporarily override Mac settings such as sleep, screen dimming, and screen savers. The app lives in your menu dock, where you can click to turn it on (fill up the coffee cup) before your presentation, and then turn it back off (empty the coffee cup) after your presentation to set your settings back to normal. ...


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No - Power Nap is extremely selective about what activities it will take on and thus far, no third party hooks or API is provided by Apple to allow someone to easily modify what happens when the OS wakes from a nap. Clearly, someone could reverse engineer things and come along with a solution, but that hasn't happened yet. If they do, we can surely come ...


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Apple has decided that this is likely a hardware issue (tho they were not able to definitively identify it, they suspected the video card) and has agreed to exchange the unit for a new one.


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The sleep settings have changed due to the new Haswell chips. Because wake-up from sleep is so quick now, and because of the new automatic sleep modes in the CPU, the only thing drawing significant power is the display. Therefore, Apple deemed a sleep setting was only necessary for the display. Click that last Power Nap checkbox if you want the computer to ...


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Did you try unticking "Automatisches Aktivieren des Computerruhezustandes bei ausgeschaltetem Display außer Kraft setzen"? Then there should be another Slider which allows you to set the automatic Sleep.


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These 2 lines of network initialization look suspicious: 4/10/14 12:28:54.000 kernel[0]: en1: promiscuous mode enable succeeded 4/10/14 12:28:54.000 kernel[0]: en2: promiscuous mode enable succeeded This mode may cause your network interfaces to drain your battery when on this mode of power supply. Did you install anything that may have switched your 2 ...



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