![]() Based on the driver the external media uses, eject is sometime required while for other unmount is enought. This detailed web page seems to indicate that, for external media altering sleep behavior, the only option is to unmount or eject the external media. :( Anyway, I expect it is driver dependent, so changing the behavior should also be driver dependent. So I don't know if these driver overrides can be changed or disabled. Name notwithstanding, its available for both Mac and Windows. I looked for a "" plist file but could not find any. Get MacX DVD Ripper Pro for free From now until March 20, you can get this powerful utility free of charge, no strings attached. Unfortunately I haven't found out yet how to prevent this. Pid 51(powerd): 03:37:52 ExternalMedia named: ""ĮxternalMedia is set to 1 by process powerd. You can also inspect the power management log, using pmset -g log.įor example, on my 10.10.5 MacBook Pro 2015, I found out that leaving my Sandisk Ultra fit USB3 memory stick plugged in makes my Mac wake up every 3 hours. That will list the drivers that have requested power setting overrides when running on battery. Type pmset -b -g assertions in your terminal. Change hibernatemode to 3 as suggested by can't tell why you Mac wakes up, but here is how you could find out:.sudo pmset -a autopoweroffdelay 2880, etc. And of course, how to make my settings work again?.What standby state am I dealing with? See my guess above.Have you heard about any recent sleep-related changes in OS X Yosemite? How come my Mac suddenly ignores its settings?.This does not happen when a USB disk is connected. In hibernate / autopoweroff it would take a while to load the RAM content back from the disk (which is not the case here). I believe it is standby, because the SIL will turn off, but when I open the lid it takes only slightly longer than after the regular sleep state. suspend to RAM) and pulse the Sleep Indicator Light (SIL) for 48 hours.īut recently my Mac will wake after approximately 1 hour of sleep and go into another sleep mode. So when I close the lid or the sleep timer kicks in, my MBP would sleep (i.e. For years, I used a 48 hour hibernate delay ( autopoweroffdelay). Recently (possibly since the 10.10.5 upgrade, but not sure) my MacBook Pro mid 2012 (non-retina) changed its sleeping behavior and I cannot seem to restore it.
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