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

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4
votes
2answers
6k 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
790 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
120 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
407 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
173 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
159 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
237 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
309 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
338 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
119 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
278 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
489 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
558 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
277 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
415 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
203 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
5k 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
954 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
93 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 ...
1
vote
1answer
582 views

Builtin VNC stops working after waking headless Mac mini from sleep (black screen)

I'm running a Mac mini (late 2012) with OS X 10.8.2 as a media center PC and streaming server. It's not running 24/7 - instead I'm using a schedule to wake it up in the evening and putting it back to ...
6
votes
2answers
4k views

Why Does My iMac Wake Itself Up?

I have an early 2009 24" iMac. Lately, when in sleep mode it will occasionally wake up for around ten seconds with the screen off, then go back to sleep. Wake on LAN is turned off so I can't figure ...
0
votes
1answer
580 views

Can't use keyboard when resuming from sleep

On a Macbook Pro, with Lion: I usually set it to sleep at the end of the working day, and resume from sleep in the morning. Sometimes, I can't type the password after resume, and I have to reboot it ...
6
votes
5answers
486 views

MBP 17" (2010) goes to sleep and can't wake it up

My laptop goes to sleep and when I open the lid it wakes up just fine (or I move the mouse if I didn't close the lid). Now sometimes when I open the lid, it doesn't wake up. The status light which ...
1
vote
1answer
1k views

Keeping MacBook Pro on Sleep Mode for days

I usually use my MacBook Pro for programming purposes and is mostly open about 14 hours a day, with 2-3 hours being plugged in until the charging is complete and then I disconnect from power ...
2
votes
2answers
605 views

Ipod Nano wake screen sometimes shows music instead of Clock

I've recently purchased a band from Lunatik to use my Ipod Nano as a watch. To do this, I've gone into Settings > Date and Time > Time on Wake and put this ON. At first, this worked as expected, ...
0
votes
2answers
1k views

macbook pro randomly going to sleep

I have a early 2011 macbook pro with mountain lion 10.8.2 installed in it, I have sleepawake installed and disabled energy saving option all set to forever. the problem is the system is still going ...
0
votes
1answer
10k views

Can I disable Mac sleep mode even when lid is closed? [duplicate]

Possible Duplicate: Is there any way to set a MacBook Pro to not sleep when you close the lid? I have a Macbook Pro (early 2011) with Mountain Lion installed. Is there a way to prevent my ...
1
vote
1answer
11k views

Why doesn't my MacBook Pro automatically reconnect to the Wi-Fi when resuming from sleep?

I have a 2012 MacBook Pro with Retina display (currently running Mountain Lion v10.8.2). Every time I wake it up from sleep (open the lid), it doesn't seem to automatically re-connect to the Wi-Fi ...
3
votes
1answer
116 views

Mountain Lion always switches to previous application at wake up

Since upgrading to Mountain Lion (from Snow Leopard), I have noticed that always when I wake up my MacBook Pro, a window from the previously active application is moved to the front. What causes ...
8
votes
2answers
6k views

How can I keep my Mac awake AND locked?

I want to leave my Mac awake overnight so it syncs 4GB of data from Dropbox. I need to prevent the machine from going to sleep because that pauses the Dropbox sync I've been using Caffeine to keep ...
2
votes
1answer
610 views

SSD Sleep or Shut Down?

I have a MacBook Pro with SSD drive. I am concerned that leaving it on (closing the lid when not in use) will wear out the SSD drive quicker than fully shutting the system off. The boot up time is ...
3
votes
1answer
217 views

Sleep / hibernation logic on OS X

I'm wondering what is a logic of sleep/hibernate of the OS X System. On the lid closing MacBook should go to sleep - it is obvious but.. What if the machine is running only on batteries and it is in ...
0
votes
1answer
244 views

MacBook Pro has to recover from Safe Sleep after 50% of all sleeps, although power is connected

When I wake my MacBook Pro from sleep it sometimes has to recover from Safe Sleep, even though the power is connected. I have installed 16 GB (2x8) RAM myself on my MacBook, however 8 GB is the max ...
9
votes
2answers
581 views

How effective is Deep Sleep Mode?

I got frustrated from turning on my Retina MBP and waiting a few seconds while the systems loads from Deep Sleep Mode. I disabled it using sudo pmset -a standby 0 However, I would like to know what ...
2
votes
2answers
3k views

Mail.app connection errors (offline) after sleep

My 10.8.2 MacBook Air is having constant connection errors in Mail.app when the computer has been sent to sleep or hibernate. A small alert triangle appears next to all account names (I have several) ...
0
votes
1answer
290 views

Macbook Air 2011 only wakes from sleep if plugged in

I've had trouble getting my macbook air (with 10.7) to wake up. Sometimes, when I open the laptop, it doesn't wake up - no matter what buttons I press, how many times I open or close it, or what I ...
1
vote
4answers
5k views

MacBook display backlight doesn't turn on after waking from sleep

I have a 2009 white MacBook that doesn't seem to be waking from sleep properly. I close the lid at night to put it in sleep mode, and when I open it the next day, the display backlight doesn't turn on ...
4
votes
2answers
3k views

Issues with installing SSD instead of DVD drive?

It is common to replace a MacBook Pro's hard disk drive (HDD) with an solid state drive (SSD), however, that may pose a threat to the HDD if installed in the optical bay instead of the SuperDrive.* ...
3
votes
2answers
246 views

How can I determine if the screen is asleep in Mountain Lion, from the command line?

I have a script that needs to run every so often, but only if the screensaver is active or if the screen is asleep (to make sure nobody is actively using the computer first). I need to have a way to ...
1
vote
2answers
9k views

How do I prevent my iMac from sleeping while media is being played or streamed?

I know this problem has been around for a while. With the release of Mountain Lion Macs got the bad habit of falling to sleep when they are not used by a human. My iMac falls to sleep when I walk ...
3
votes
1answer
305 views

iMac sleeping even when set to never sleep

Running 10.7.5, I've got a fairly new iMac (6 months old) 27", set to never sleep, yet when I got in to work this morning it was asleep. How to fix this? Output from pmset -g in Terminal: Active ...
2
votes
0answers
289 views

My Mac show a login screen on a spinning cube which keeps on spinning

My 2009 iMac with Lion keeps on getting stuck everytime my son's limited time ends and the computer subsequently wakes up from sleep. How to reproduce In other words, my son has a limited usage ...