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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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 ...
5
votes
2answers
4k 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
539 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
209 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
232 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
557 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
2k 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
276 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 ...
0
votes
4answers
4k 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
2k 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
212 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
8k 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 ...
2
votes
0answers
278 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
263 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 ...
7
votes
5answers
10k views

Mountain Lion aggressively hibernates

Recently, my MacBook Pro (mid 2012, 15 inch, 10.8.2) has started going into what seems to be hibernate mode after several hours asleep, whether it's plugged in or on battery. When I unplug it, it ...
2
votes
1answer
1k views

Can any iOS app remotely wake a sleeping MacBook Air when the lid is closed?

I want to be able to access my Macbook Air (Late-2011, Mountain Lion), when the lid is closed (in sleep mode), remotely from my iPhone 4GS. I have tried using LogMeIn Ignition App but it does not ...
0
votes
2answers
765 views

MBA mid 2011: Artifacts on screen after wake from deep sleep

I'm using Macbook Air (mid 2011) and there is one problem with it. After macbook waking from deep sleep, it has some "artifacts" (i don't know how to name it correctly) on the screen: Artifacts on ...
1
vote
0answers
133 views

Delayed, undesirable sleep on de-powering MBP retina with ML

If my laptop is sitting with the screen open, live, and plugged in, and I unplug it and keep working, a moment later it will go to sleep. Even as I am typing at it. The only solution is to close the ...
1
vote
2answers
266 views

Is it ok that a MacBook turns on from sleep with the lid closed when MagSafe is connected/disconnected?

I have a mid-2012 MacBook (non-retina). Recently I've noticed that after closing the lid to put it to sleep, once it's sleeping if I pull or attach the MagSafe connector to it it will turn on from ...
1
vote
2answers
331 views

Can I prevent a remote Mac from entering sleep via a remote ssh connection?

Since I upgraded to Mountain Lion, i've the feeling my Mac (early 2008 iMac) goes to sleep randomly when i'm connected through SSH. It's there a way I can prevent my Mac to go to sleep when i'm ...
0
votes
1answer
130 views

Apps that access the internet crash when waking up from sleep

Whenever I wake my 2012 MBA 13" from sleep, all apps that were accessing the internet before going to sleep crash. This includes the streaming software Zattoo.app, Chrome.app, Firefox.app, etc. None ...
1
vote
0answers
129 views

Freeze issue after installing an optical bay drive

I am having issues after I installed another drive in the optical bay. When I wake the computer from sleep, it randomly freezes within 0-5 minutes. I cannot do anything, the mouse won't move, trackpad ...
1
vote
1answer
2k views

Force hibernate (deep sleep) in OSX 10.8(.2)

How can you force the computer (in this case a laptop [rMBP]) into the "hibernate" state where it writes the RAM to the HDD/SSD so that the battery can last for the advertised 30 days. I know that ...
1
vote
0answers
388 views

Mountain Lion freezes for 20 seconds after waking up from suspend to disk

Is there any way to get a progress bar or whatever when waking up from suspend to disk? I remember seeing other Macbooks with older versions of OS X which showed a nice little progress bar after ...
2
votes
1answer
599 views

Seems like my trackpad is never sleeping/shutting off

I'm experiencing some funny behavior with my Retina MacBook Pro and my Magic Trackpad. There are two symptoms that I believe could be related: The batteries on my trackpad drain far more quickly ...
6
votes
4answers
3k views

External display resolution changes upon display sleep?

I have a 15" MacBook Pro with Retina Display and a ShiMian QH270-IPSMS monitor (2560x1440). The first pitfall I ran across when setting this up was that the HDMI port doesn't support my display's ...
3
votes
4answers
4k views

Is it bad or unhealthy to put my Mac to sleep?

I am wondering if it is bad or unhealthy to always put my Mac to sleep or should I shut it down instead? What I mean by putting it to sleep is that the display and hard drive are sleeping. The reason ...
1
vote
1answer
302 views

Can a TrueCrypt volume be ejected (or the app quit) upon entering sleep?

Is it possible to force all TrueCrypt mounted volumes to eject when my Mac goes to sleep or to have TrueCrypt quit (causing them to unmount)? I'm looking for a little extra "easy" security when I move ...
0
votes
0answers
369 views

Why didn't my Macbook sleep (USB Keyboard/Mouse was connected, lid open)

First off, let's begin with some research that I did before asking this question. Now, in my situation, I was using my Macbook Pro (Mountain Lion) with an Apple USB keyboard connected to the ...
0
votes
0answers
300 views

Screen turns on after closing lid

Hi please I have problem with my MacBook going into sleep mode after I close lid. The screen turns off, but after few seconds it turns on again (apple logo starts glowing) and tikes additional few ...
2
votes
0answers
520 views

Macbook Pro 13 won't sleep (Mountain Lion 10.8.2)

So my Macbook Pro early 2011 13inch won't go to sleep. I've tried both manually and closing the lid. Also tried in Safe Mode, which worked as normal. Seems to be a software problem. When the lid is ...
1
vote
1answer
772 views

Keyboard and Mouse freeze after deep sleep (Mountain Lion)

I got a mid 2011 MacBook Air 13.6" and its keyboard and mouse freezes very often after I leave it in sleep mode for some time and it wakes up. Only the power key and the lid detector are still ...
2
votes
1answer
6k views

How to fix Mountain Lion that is very slow after sleep by timeout?

I have updated to Mountain Lion on Mac Mini (mid 2011), and now my Mac is very slow after sleep. I am waiting for several minutes before the next selected program is working properly. I have tried: ...
0
votes
0answers
489 views

Mountain Lion screen crashes after returning from sleep

During the past 3 days I have experienced the following issue: when returning from sleep, I see an extremely garbled version of my desktop. The only thing that seems to help is a reboot. My first ...
1
vote
1answer
2k views

Keep backing up when I put machine to sleep?

I use Time Machine, with an external hard drive connected by USB, to back up my MBA. If Time Machine is in the middle of backing up my drive and I close the lid of my computer, Time Machine will stop ...
1
vote
1answer
6k views

MBP won’t wake up from sleep

I have this strange problem with my early-2011 MacBook Pro, running on OS X 10.6.8: as of a month or so, sometimes it does’t wake up from sleep unless I press the power button for a longer period ...
2
votes
2answers
3k views

Macbook air: Close lid and lock features

I wonder if there is some way to customize the lock screen feature of my macbook air (running Mountain Lion) in such a way that: 1: When I close the lid, and then open it, the screen is not locked ...
2
votes
3answers
511 views

Icons and other graphics have strange colored strips after waking Macbook

I am running OS X Lion on a late 2008 model Macbook (not pro). From time to time, usually when left on and unattended, the battery gets low and it goes into sleep mode. I kick myself for letting it ...
2
votes
0answers
197 views

iMac OS 10.8 sleeps even when set to never sleep

This is new behavior within the last month. I have the iMac set to never sleep so that I can access it via Logmein remotely. But the last several weeks the machine goes completely to sleep. Any ...
7
votes
3answers
407 views

Can a MacBook Pro reliably wake a Cinema Display when both are sleeping?

I use a MacBook Pro with a Cinema Display and every time when I wake the MacBook Pro, the cinema display wakes first and the MacBook Pro display seems to stay in a sleep mode until I press the Detect ...
5
votes
3answers
3k views

Can I wake up my Mac wirelessly over the internet?

I am a university student who leaves his Macbook Pro at home and uses an iPad in lectures. I thought it'd be great if I was able to wake my Mac back at home if I needed to remote control it using ...
2
votes
2answers
355 views

On/Off vs. Sleep Mode

The new retina MacBook Pro is boot so quickly that if I don't use it for even 5 minutes it doesn't make a difference to me whether I shut the computer down or sleep it. What is the best option for ...
1
vote
1answer
825 views

Macbook Pro intermittently unresponsive/dark screen after waking from sleep

I'm having an intermittent problem in which my Macbook Pro has been working fine for several days and many sleep/wake cycles but then it has a problem waking up from sleep. The disk spins up and the ...
3
votes
2answers
412 views

Macbook doesn't stay asleep when lid is closed

I have a 2006 Macbook running Snow Leopard. I suddenly noticed that my computer's battery would be at a different level when I woke it up than it was when I closed the lid to put it to sleep. After ...
0
votes
1answer
469 views

After my MacBook Pro sleeps some gestures don't work anymore

When I wake my MacBook Pro (mid 2012 - with Mountain Lion) from sleep, sometimes some complicated gesture doesn't work anymore with the Trackpad or Magic Mouse. Changing screens (with 4 fingers with ...
3
votes
1answer
340 views

Target iMac does not wake up with the main iMac

I have two 27" iMac connected via a Thunderbolt cable. I press Command+F2, the target computer joyfully becomes a second screen for the primary iMac. Joy of joys! I come back in the morning, or after ...
4
votes
1answer
443 views

Can Mountain Lion take a sleeping Mac and write the RAM to disk after a timeout?

Is it possible to configure OSX Mountain Lion to go from suspand-toRAM to suspend-to-disk after certain amount of minutes? The default sleep mode seems to be suspend-to-RAM until the battery is ...
0
votes
3answers
2k views

Macbook sleep is delayed

I have a late 2011 Macbook pro, and lately it hasn't been sleeping properly. If I close the lid for less than a minute and reopen it, it doesn't go to sleep while the lid is closed. The screen is ...
0
votes
1answer
929 views

Macbook Pro doesn't wake up from sleep, RAM slot empty after force restart

My mid-2009 Macbook Pro, running Mountain Lion, very often does not wake up from sleep. When I open the lid, there is a black screen, but the fans are still running. My only option is to force reboot ...
6
votes
3answers
2k views

Why does my early 2011 MBP hibernate instead of sleep?

If and only if my MBP is plugged in to both AC and an external DVI monitor, it will hibernate instead of sleeping. If it is not plugged in to the monitor, it will sleep like normal. I have a 15" MBP, ...