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Go to iFixit and look up the guide for your Air. You will need to do two things. First is disconnect the battery, second is remove/clean the CPU heatsink before reapplying thermal paste and refitting it. When you've done that you can reconnect the battery and see what happens. SMC resets using key combos don't always work - disconnecting the battery does. ...


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There is no advantage or effect on SSDs with the "Put hard disk to sleep". This setting enabled a spinning disk to spin-down while not in use. With no mechanical moving parts, there is no effect on an SSD. Externally connected mechanical drives will still adhere to the setting. See Apple Support page: OS X: Saving energy with Sleep


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This hibernate/sleep thing has been driving me insane. And I agree that Apple should put more energy into fixing this pmset behavior. I will be clear. I love hibernate mode and it used to work perfectly in older models and OSs (just running sudo pmset hibernatemode 25 was enough). Now Apple broke something and this just doesn't work since Yosemite. I have ...


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You might try caffeinate. It's the terminal utility that the Caffeine app runs. Running it from the terminal allows you to have more options: caffeinated -ims can prevent system+disk+idle sleeping while still allowing your screen to sleep From man caffeinate: Available options: -d Create an assertion to prevent the display from sleeping. -i ...


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Just put your displays to sleep in the energy saver settings (like in the picture below) and it should work. Please check the answer at serverfault for the reason why the VPN-connections breaks.


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Looking true your log, I would say it is your Sophos acting up. SophosUIServer Uninstall it and live without it. It does not do any good anyway AFIK.



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