Putting a device into a low-power mode where only RAM is powered to conserve power at the expense of time to resume operation

learn more… | top users | synonyms (2)

0
votes
0answers
968 views

Wake on demand not working with Apple TV 3 & iMac Mountain Lion

I have an iMac (mid 2008) with Mountain Lion. I recently bought an Apple TV 3 and read that this can enable Wake on Demand via Bonjour sleep Proxy. I've followed the guide at ...
2
votes
1answer
290 views

MacBook Air awakes in the night (when a sleep)?

Just curious, i have a old USB mouse connected to my MacBook Air. I noticed that in the middle of the night (when the cover is closed an MBA is a sleep). The LED (red) inside the mouse is turned on ...
1
vote
1answer
384 views

Retina Mac shows gray screen when waking up

This is the first time that my Retina MacBook Pro wakes up from sleep with a gray screen. After about 10-20 seconds, the MacBook falls asleep again. Some points that might be relevant: The only ...
12
votes
1answer
499 views

MacBook Pro won't wake up when stacked on another sleeping MacBook Pro

I noticed a really weird behavior on my MacBook Pro today. I have two of them at work, a 13" late 2011 (which I don't use often), and a 13" early 2011 where I put a SSD (which is my main computer). ...
3
votes
5answers
1k views

MBP Lock screen hotkey without sleeping?

I'd like to press a key combo to get my computer to the lock screen. In Windows the shortcut was Windows key + L. On Mac I press CMD+ALT+Power which turns the laptop off and puts it into sleep. I want ...
0
votes
2answers
569 views

screen on my MacBook Pro goes completelly black after login

I was fixing my Mac partition by rebooting and holding CMD+S and then typing fsck -fy It found some issues and (probably) fixed them. Now when I boot into MacOS after some time the screen goes ...
2
votes
2answers
5k views

Wake Other Computers from Mac OSX

Is there a terminal command within Mac OSX that will allow me to use WOL (Wake On LAN) to wake up other computers? Windows has wolcmd, is there an equivalent within OSX? I am trying to wake a ...
2
votes
2answers
764 views

What is the difference between pmset and systemsetup sleep options?

On my MacBook Air 2013 (Mountain Lion): pmset has the following sleep settings: $ pmset -g ... disksleep 10 sleep 1 displaysleep 2 while systemsetup has the ...
2
votes
3answers
9k views

How do I stop my 2013 Macbook Air from putting the computer to sleep?

I've been fiddling with my new Haswell macbook air (with Mountain Lion), and there's a difference between the "energy saver" settings on my macbook vs my 2011 iMac. On my iMac, there's a "Computer ...
1
vote
1answer
85 views

Keyboard stays lit during sleep

When I put my computer to sleep the keyboard stays lit. It is a July 2012 rMBP. I always have to turn down the brightness manually which is really annoying. Does someone know how to fix this? Also ...
2
votes
1answer
216 views

detect powernap from the command line

I like to plug in my macbook and SSH to it from my Windows machine to take advantage of my 27" monitors, and do work in the shell and in Vim. Now i know that supposedly the machine is capable of ...
1
vote
1answer
130 views

sleepimage file size

I'm planning a clean install of my MacBook Pro with OS X 10.6 and I want to make a partition (among others) only for the sleepimage file. Here's the problem: the partition's size. I know that this ...
2
votes
2answers
1k views

Mac OS X 10.8 crashes after Thunderbolt display disconnect and sleep

At work I run my MacBook Pro 15" Retina (with Mac OS X 10.8.3 Snow Leopard) lid-closed with two Thunderbolt displays. If I disconnect the power and displays, walk to a conference room, and re-open ...
1
vote
1answer
2k views

MacBook Air screen turns off randomly

I had my MacBook Air 13" 2011 for almost 2 years now. And right from the start I kept having this weird issue: sometimes while I'm working on it, the screen (and the monitor attached via displayport ...
3
votes
2answers
3k views

Macbook Air not waking up from Suspend/Sleep with rEFInd boot manager installed

Having installed both rEFInd 0.6.10 (updated to 0.6.11) via its install.sh and Ubuntu 13.04 on another partition I can now choose on a MacBook Air to boot either MacOS or Linux. When running MacOS ...
2
votes
0answers
402 views

Logitech Wireless Mouse Non Functional After Sleep?

I have a Logitech Wireless Mouse with Unifying Receiver plugged into my iMac - and when the computer is put to sleep (cmd alt eject), after wake it will not respond to mouse movement. If the computer ...
2
votes
1answer
2k views

Why does my MBP sleep on Mountain Lion and often not wake up

I recently upgraded my Macbook Pro late 2010 to Mountain Lion (from Snow Leopard). Now it has this problem where it will sometimes sleep and not wake up. However, I hear that the computer is still on, ...
3
votes
1answer
338 views

App windows move spontaneously on display wake (2 monitors) - OS X 10.8.3

OS X 10.8.3 Mac Mini Late 2012, 2.6Ghz quad-core i7, set up with 2 displays, like this: Thunderbolt Port HDMI Port /*****************|------|**********\_______________ | ...
0
votes
2answers
139 views

Any way to know what wakes an Mac up?

Regularly while sleeping my Mac wakes up and i'd like to know if there is some kind of log of what trigged the waking. (Mouse click ? Keyboard ? WOL Magic Packet ? Something else ?) I'm on late 2012 ...
0
votes
0answers
383 views

How to select which disks are allowed to sleep?

There is an option "Put the hard disk(s) to sleep when possible" in Mac OS X's preferences: Is it possible to configure which disks Mac OS X can put into a sleepy state? For example, I want to ...
0
votes
0answers
491 views

Quickly dim the iPod Touch by hitting the power button twice on the lock screen?

I've always wondered if this was a feature or not. When I'm on my iPod Touch's lock screen, then I hit the power button twice, the first hit will sleep the device, the second will wake it again but ...
1
vote
1answer
368 views

Keeping the mac awake when running certain applications?

I need to keep my MacBook Air awake when running certain applications. But when I put the display to sleep, often the whole system suspends after a few minutes. Specifically I run Air Video Server on ...
1
vote
1answer
82 views

Finder slow after wake up from standby mode

I have 4 or 5 Network shares in my Favorites bar in the Finder. Any time the Macbook wakes up from Standby, the Finder takes forever to show up. If I remove the Network shares from the Favorites bar, ...
4
votes
2answers
7k views

How to prevent sleep while a Time Machine backup is in progress?

I'm one of those greatly suffering from the problem with TM in which the entire backup sparsebundle on a NAS gets corrupted if the Mac goes to sleep in middle of a backup operation. There's a long ...
0
votes
1answer
800 views

Wake on demand no more working

I was using Wake on Demand (not WOL) to access my mac remotely. I was able to turn in on from LAN or internet through SSH, VNC or HTTP. The problems came when I upgraded to Mountain Lion. Initially ...
1
vote
0answers
121 views

Real sleepmode WITHOUT hibernation

As the most people, I also googled after setting the hibernatemode, and found the following command: sudo pmset -a hibernatemode 0 ... which should enable the RAM-only sleep mode. I also deleted ...
2
votes
2answers
421 views

Mac wakes on scheduled power event that recreates itself every day

At 2:14 every morning, my Mac wakes. Looking at the logs, I see it's a scheduled event, but nothing shows up in System Preferences > Power. When I go to terminal, and run pmset -g sched, I see ...
1
vote
0answers
179 views

Unexpected system crash upon sleep

Last night I put my macbookpro9,1 (running 10.8.3) to sleep by closing the lid; this morning I found out it had been shutdown completely. I can't explain this behavior; my paranoid side suspects an ...
2
votes
2answers
1k views

External hard drive spinning up during sleep

Every time I close the lid on my macbook air, my external hard drive seems to spin up for about 5 seconds every 30 seconds, and this will go on continuously, even for several hours. The noise itself ...
0
votes
1answer
161 views

My Macbook falls asleep everytime that I pick it up?

If my MacBook is sitting on the desk and I go and pick it up, it will fall asleep and will not wake up regardless of pressing space bar or pressing the power button. Literally the only way I can get ...
2
votes
3answers
2k views

Is it necessary to eject an external drive before sleeping? [duplicate]

I have a question similar to a previous one about ejecting before shutting down. Is it necessary or recommended practice to eject external drives before putting a Mac to sleep, whether it be via an ...
2
votes
2answers
246 views

How to cut message “This computer has been scheduled to go to sleep automatically” and send it to sleep immediately?

It's about a Mac mini connected to a touchscreen running at public school, displaying a browser in kiosk mode. I want the Mac to go to scheduled sleep after school is over. Energy Saving PrefPane lets ...
2
votes
1answer
1k views

16GB of RAM makes MacBook Pro's fans go wild before sleep?

I recently: installed 16 GB of RAM (1600 MHz); on my late-2011 15-inch MacBook Pro; running OS X 10.7, aka Lion; with an Apple SSD drive. According to Apple my MacBook Pro only supports a ...
1
vote
1answer
312 views

How can I make the power button on my MacBook run a custom script?

I'm running OS 10.7.5 on an October 2008 unibody MacBook, and I would like to somehow get my computer to run a script whenever I press the power button, instead of prompting me if I want to turn my ...
4
votes
1answer
340 views

Sleep mode problems with external Monitor

After the latest update (10.8.3), I encountered a problem. When my external Acer monitor is connected (via HDMI) while trying to put my MacBook Pro into sleep mode, everything works fine. But ...
2
votes
2answers
2k views

Do I need Hibernate option ON for my Retina Macbook Pro?

I have a Retina MBP and have the following settings using pmset -g As you can see below, standby is 1 and hibernationmode is 3, meaning that I have DEEP SLEEP turned on, after 7200 seconds. Do I ...
7
votes
4answers
6k views

External monitor resolution setting is lost after MacBook “wakes up” from sleep

I have recently purchased an external monitor that I am connecting to my MacBook Pro (Late 2009) using the MiniDisplay-to-VGA adapter. I have both the external monitor and the MacBook's monitor set to ...
3
votes
1answer
120 views

Coming out of screen-lock, sometimes my machine will sleep/lock 30 seconds after

I haven't pinpointed any potential triggers yet, but sometimes when I come out of sleep or from having a locked screen, after typing my password in and re-entering the OS, about 20 or 30 seconds ...
1
vote
0answers
1k views

External hard disc not ejected properly - Mac OSX

I have a late 2012 Mac Mini running OSX 10.8.2. My iTunes library lives on an external Seagate drive, which has its own power supply. When my Mac Mini goes to sleep it will frequently wake up with ...
0
votes
1answer
282 views

Sleep button broken. How do I find out which part is affected?

The sleep/power button of my iPhone 4 is broken; it suddently didn't really "click" anymore and just hardly reacted on my actions. For some hours by clicking really firm it still worked, but then the ...
3
votes
5answers
6k views

Mac Mini won't wake after sleep with Mountain Lion

I have a late 2012 Mac Mini with Mountain Lion installed. I have had the Mini for around 6 weeks and am using as a media server. When the Mini goes to sleep (either automatically or by manually ...
-1
votes
1answer
508 views

Disabling Hibernation AND DeepSleep mode on Retina Macbook Pro reduce battery life?

I am currently on 90%, HDMI connected to 2nd monitor, about 5-6 links open in Safari, terminal running (coding on python), Stickies, Messages, and Mail are running. My battery has 2h of remaining ...
4
votes
1answer
576 views

Switch from sleep to hibernate after set time

Is there a way to set a MacBook Pro (10.8.2) to go into normal sleep when I close the case but then switch to hibernation after, say, 15 minutes? It's clearly capable of going from sleep to hibernate ...
0
votes
0answers
284 views

Crash after sleep when Bluetooth Trackpad and Keyboard are used

Since I am using the Bluetooth Keyboard and the Magic Trackpad, my MacBook Pro crashes during the sleep (it doesn't wake up and becomes very hot). Then I need to switch it off using the hardware ...
0
votes
1answer
422 views

iMac black-screened, wouldn't wake up; here's the error message

I put my 1 year old iMac (running OSX 10.8.2 with all updates) to sleep in San Diego. I then tried to wake it up from Vegas using my other iMac (same OS) using the following command: Cmd-K >> ...
1
vote
0answers
207 views

Find My Mac while the machine is sleeping and no known networks?

If my 2012 Macbook is in sleep mode in a place where it does not know any Wifi networks (but there are unsecured SSIDs in range), will Find My Mac be able to locate it or perform any actions? Or more ...
3
votes
2answers
6k views

While my MacBook sleeps, the network drops off?

I have just moved over to a Macbook Pro from my old Macbook. Thanks to the Migration Assistant, it was an easy task, but I am now having an annoying issue: I have both computers on with all the same ...
2
votes
3answers
1k views

Why does my mac take 60-90 seconds to wake up?

Recently (in the past month or 2) my Mac (2012 Macbook Pro 13 inch) will take at least a minute to 90 seconds to wake up from being asleep. It usually happens when it is asleep overnight and. When ...
1
vote
1answer
1k views

Takes a long time for my macbook pro to wake from sleep

Ever since I first started using my brand new Macbook pro (mountain lion, 10.8.2) it has taken a long time for it to wake up from sleep (several minutes). When I open the macbook it first shows a ...
0
votes
1answer
95 views

MacBook Air - random start/wake up times

I have a 3yo MacBook Air running Lion. When I open it to start using it again it seems to sometimes have trouble 'waking up'. Sometimes this is instantaneous, sometimes I get a blank screen for 30 ...