mac mini 2012 sleep

Question

Hello all,I finally decided my iMac (first Intel) was getting long in the tooth and bought myself the 2012 mac mini i5. I have made a couple modifications: 1) updated to 16gb of ram from Crucial and added a Samsung SSD.I&#x27;ve noticed that the mini doesn&#x27;t sleep like the iMac. It seems to have two sleep modes: one where the light pulses (same as iMac) and then the other happens later when the light stops pulsing and goes off completely. It&#x27;s from the second mode that the computer does NOT wake. Hitting a button on the keyboard or mouse causes the mini&#x27;s power light to light up, but the monitor stays dark, the mouse stays unlit and I cannot ping or telnet to it so presumably the ethernet port is still out. A bit of research shows that one mode is sleep and the other is deep sleep (or hibernate). The thing is, hibernatemode is set to 0: Active Profiles:AC Power                    -1*Currently in use: standby              1 powerbutton          1 womp                 0 autorestart          1 hibernatefile        /var/vm/sleepimage networkoversleep     0 disksleep            10 sleep                15 (sleep prevented by ) autopoweroffdelay    14400 hibernatemode        0 autopoweroff         1 ttyskeepawake        1 displaysleep         10 standbydelay         4200I&#x27;m not sure, then, why the machine is doing anything but the normal sleep. Can someone with the same mac mini do a pmset -g in termal to see if they have similar settings? Anyone else seeing this behavior?OS 10.8.2 build 12C1304

geekraver · Answer

I&#x27;m seeing something similar. I have the Apple Bluetooth mouse and trackpad, and a i7 Mac Mini. If I leave it for a while it won&#x27;t wake up. I&#x27;m not sure if the light ever goes off; it seems to be on and not blinking. If I hold the power button for several seconds it seems to restart and I don&#x27;t see any errors, nor does it make the normal boot sound. So I think you are right that it is hibernating. I&#x27;d rather it didn&#x27;t; I plan to keep it in a spot that isn&#x27;t very accessible and don&#x27;t want to have to keep using the power button.Right now I can&#x27;t access it to check the settings or logs, but will do so later.

geekraver · Answer

It looks like this might explain things:https://discussions.apple.com/thread/4488967?start&#x3D;0&amp;tstart&#x3D;0

Frank D&#x27;Anna · Answer

After posting this question I found similar information elsewhere so I tried setting autopoweroff to 0. This still didn&#x27;t stop the mini from going into hibernation. According to the man page of pmset, hibernation shouldn&#x27;t happen if it&#x27;s set to zero, irrespective of any other setting. This definitely looks like a bug to me!This morning my Mac actually did wake from deep sleep and power everything on, though I&#x27;m not sure if it was just a fluke. I&#x27;m going to try setting Standby to 0 and see if that finally stops the deep sleep/hibernation thing. I can&#x27;t imagine I&#x27;ve saving much $$$ by not powering down the memory anyway and the wake is unreliable thus far.

Frank D&#x27;Anna · Answer

I&#x27;m going to set standby to 0 and see if that makes a difference. It appears to be directly related to that setting since I watched the mini last night and it was about 70 minutes later (4200 seconds) that the machine went into hibernation. New settings:Active Profiles:AC Power                    -1*Currently in use: standby              0 powerbutton          1 womp                 0 autorestart          1 hibernatefile        /var/vm/sleepimage networkoversleep     0 disksleep            10 sleep                15 (sleep prevented by ) autopoweroffdelay    14400 hibernatemode        0 autopoweroff         0 ttyskeepawake        1 displaysleep         10 standbydelay         4200